Wrap translatable messages with tr() in assistant, designer and linguist

Merge-request: 2456
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>

28 files changed, 269 insertions, 219 deletions

diff --git a/tools/assistant/tools/assistant/bookmarkitem.cpp b/tools/assistant/tools/assistant/bookmarkitem.cpp
index 2e81e38..2c92113 100644
--- a/tools/assistant/tools/assistant/bookmarkitem.cpp
+++ b/tools/assistant/tools/assistant/bookmarkitem.cpp
@@ -41,6 +41,7 @@
 
 #include "bookmarkitem.h"
 
+#include <QtCore/QCoreApplication>
 #include <QtCore/QDebug>
 
 QT_BEGIN_NAMESPACE
@@ -147,7 +148,9 @@ BookmarkItem::insertChildren(bool isFolder, int position, int count)
 
     for (int row = 0; row < count; ++row) {
         m_children.insert(position, new BookmarkItem(DataVector()
-            << QObject::tr(isFolder ? "New Folder" : "Untitled")
+            << (isFolder
+                ? QCoreApplication::translate("BookmarkItem", "New Folder")
+                : QCoreApplication::translate("BookmarkItem", "Untitled"))
             << (isFolder ? "Folder" : "about:blank") << false, this));
     }
 
diff --git a/tools/assistant/tools/assistant/cmdlineparser.cpp b/tools/assistant/tools/assistant/cmdlineparser.cpp
index b6c0beb..1cf2915 100644
--- a/tools/assistant/tools/assistant/cmdlineparser.cpp
+++ b/tools/assistant/tools/assistant/cmdlineparser.cpp
@@ -48,7 +48,7 @@
 
 QT_BEGIN_NAMESPACE
 
-const QString CmdLineParser::m_helpMessage = QLatin1String(
+static const char helpMessage[] = QT_TRANSLATE_NOOP("CmdLineParser",
         "Usage: assistant [Options]\n\n"
         "-collectionFile file       Uses the specified collection\n"
         "                           file instead of the default one\n"
@@ -138,10 +138,10 @@ CmdLineParser::Result CmdLineParser::parse()
     }
 
     if (!m_error.isEmpty()) {
-        showMessage(m_error + QLatin1String("\n\n\n") + m_helpMessage, true);
+        showMessage(m_error + QLatin1String("\n\n\n") + tr(helpMessage), true);
         return Error;
     } else if (showHelp) {
-        showMessage(m_helpMessage, false);
+        showMessage(tr(helpMessage), false);
         return Help;
     }
     return Ok;
diff --git a/tools/assistant/tools/assistant/cmdlineparser.h b/tools/assistant/tools/assistant/cmdlineparser.h
index 5573081..db66494 100644
--- a/tools/assistant/tools/assistant/cmdlineparser.h
+++ b/tools/assistant/tools/assistant/cmdlineparser.h
@@ -93,7 +93,6 @@ private:
 
     QStringList m_arguments;
     int m_pos;
-    static const QString m_helpMessage;
     QString m_collectionFile;
     QString m_cloneFile;
     QString m_helpFile;
diff --git a/tools/assistant/tools/assistant/mainwindow.cpp b/tools/assistant/tools/assistant/mainwindow.cpp
index 913e342..65a58c0 100644
--- a/tools/assistant/tools/assistant/mainwindow.cpp
+++ b/tools/assistant/tools/assistant/mainwindow.cpp
@@ -831,7 +831,7 @@ void MainWindow::showAboutDialog()
         aboutDia.setWindowTitle(aboutDia.documentTitle());
     } else {
         QByteArray resources;
-        aboutDia.setText(QString::fromLatin1("<center>"
+        aboutDia.setText(tr("<center>"
             "<h3>%1</h3>"
             "<p>Version %2</p></center>"
             "<p>Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).</p>")
diff --git a/tools/assistant/tools/qcollectiongenerator/main.cpp b/tools/assistant/tools/qcollectiongenerator/main.cpp
index 41bf281..46e301c 100644
--- a/tools/assistant/tools/qcollectiongenerator/main.cpp
+++ b/tools/assistant/tools/qcollectiongenerator/main.cpp
@@ -60,6 +60,10 @@
 
 QT_USE_NAMESPACE
 
+class QCG {
+    Q_DECLARE_TR_FUNCTIONS(QCollectionGenerator)
+};
+
 class CollectionConfigReader : public QXmlStreamReader
 {
 public:
@@ -125,9 +129,7 @@ private:
 
 void CollectionConfigReader::raiseErrorWithLine()
 {
-    raiseError(QCoreApplication::translate("QCollectionGenerator",
-                                           "Unknown token at line %1.")
-                    .arg(lineNumber()));
+    raiseError(QCG::tr("Unknown token at line %1.").arg(lineNumber()));
 }
 
 void CollectionConfigReader::readData(const QByteArray &contents)
@@ -146,9 +148,8 @@ void CollectionConfigReader::readData(const QByteArray &contents)
                 && attributes().value(QLatin1String("version")) == QLatin1String("1.0"))
                 readConfig();
             else
-                raiseError(QCoreApplication::translate("QCollectionGenerator",
-                               "Unknown token at line %1. "
-                               "Expected \"QtHelpCollectionProject\"!")
+                raiseError(QCG::tr("Unknown token at line %1. "
+                                   "Expected \"QtHelpCollectionProject\".")
                            .arg(lineNumber()));
         }
     }
@@ -171,7 +172,7 @@ void CollectionConfigReader::readConfig()
         }
     }
     if (!ok && !hasError())
-        raiseError(QLatin1String("Missing end tags."));
+        raiseError(QCG::tr("Missing end tags."));
 }
 
 void CollectionConfigReader::readAssistantSettings()
@@ -313,7 +314,7 @@ void CollectionConfigReader::readFiles()
         }
     }
     if (input.isEmpty() || output.isEmpty()) {
-        raiseError(QLatin1String("Missing input or output file for help file generation!"));
+        raiseError(QCG::tr("Missing input or output file for help file generation."));
         return;
     }
     m_filesToGenerate.insert(input, output);
@@ -373,8 +374,7 @@ int main(int argc, char *argv[])
                 QFileInfo fi(QString::fromLocal8Bit(argv[i]));
                 collectionFile = fi.absoluteFilePath();
             } else {
-                error = QCoreApplication::translate("QCollectionGenerator",
-                            "Missing output file name!");
+                error = QCG::tr("Missing output file name.");
             }
         } else if (arg == QLatin1String("-h")) {
             showHelp = true;
@@ -388,16 +388,15 @@ int main(int argc, char *argv[])
     }
 
     if (showVersion) {
-        fprintf(stdout, "Qt Collection Generator version 1.0 (Qt %s)\n",
-                QT_VERSION_STR);
+        fputs(qPrintable(QCG::tr("Qt Collection Generator version 1.0 (Qt %1)\n")
+                .arg(QT_VERSION_STR)), stdout);
         return 0;
     }
 
     if (configFile.isEmpty() && !showHelp)
-        error = QCoreApplication::translate("QCollectionGenerator",
-                                            "Missing collection config file!");
+        error = QCG::tr("Missing collection config file.");
 
-    QString help = QCoreApplication::translate("QCollectionGenerator", "\nUsage:\n\n"
+    QString help = QCG::tr("\nUsage:\n\n"
         "qcollectiongenerator <collection-config-file> [options]\n\n"
         "  -o <collection-file>   Generates a collection file\n"
         "                         called <collection-file>. If\n"
@@ -407,7 +406,7 @@ int main(int argc, char *argv[])
         "                         qcollectiongenerator.\n\n");
 
     if (showHelp) {
-        fprintf(stdout, "%s", qPrintable(help));
+        fputs(qPrintable(help), stdout);
         return 0;
     }else if (!error.isEmpty()) {
         fprintf(stderr, "%s\n\n%s", qPrintable(error), qPrintable(help));
@@ -416,7 +415,7 @@ int main(int argc, char *argv[])
 
     QFile file(configFile);
     if (!file.open(QIODevice::ReadOnly)) {
-        fprintf(stderr, "Could not open %s!\n", qPrintable(configFile));
+        fputs(qPrintable(QCG::tr("Could not open %1.\n").arg(configFile)), stderr);
         return -1;
     }
 
@@ -426,17 +425,18 @@ int main(int argc, char *argv[])
             + fi.baseName() + QLatin1String(".qhc");
     }
 
-    fprintf(stdout, "Reading collection config file...\n");
+    fputs(qPrintable(QCG::tr("Reading collection config file...\n")), stdout);
     CollectionConfigReader config;
     config.readData(file.readAll());
     if (config.hasError()) {
-        fprintf(stderr, "Collection config file error: %s\n", qPrintable(config.errorString()));
+        fputs(qPrintable(QCG::tr("Collection config file error: %1\n")
+                         .arg(config.errorString())), stderr);
         return -1;
     }
 
     QMap<QString, QString>::const_iterator it = config.filesToGenerate().constBegin();
     while (it != config.filesToGenerate().constEnd()) {
-        fprintf(stdout, "Generating help for %s...\n", qPrintable(it.key()));
+        fputs(qPrintable(QCG::tr("Generating help for %1...\n").arg(it.key())), stdout);
         QHelpProjectData helpData;
         if (!helpData.readData(absoluteFileName(basePath, it.key()))) {
             fprintf(stderr, "%s\n", qPrintable(helpData.errorMessage()));
@@ -451,12 +451,13 @@ int main(int argc, char *argv[])
         ++it;
     }
 
-    fprintf(stdout, "Creating collection file...\n");
+    fputs(qPrintable(QCG::tr("Creating collection file...\n")), stdout);
 
     QFileInfo colFi(collectionFile);
     if (colFi.exists()) {
         if (!colFi.dir().remove(colFi.fileName())) {
-            fprintf(stderr, "The file %s cannot be overwritten!\n", qPrintable(collectionFile));
+            fputs(qPrintable(QCG::tr("The file %1 cannot be overwritten.\n")
+                             .arg(collectionFile)), stderr);
             return -1;
         }
     }
@@ -514,7 +515,7 @@ int main(int argc, char *argv[])
     if (!config.applicationIcon().isEmpty()) {
         QFile icon(absoluteFileName(basePath, config.applicationIcon()));
         if (!icon.open(QIODevice::ReadOnly)) {
-            fprintf(stderr, "Cannot open %s!\n", qPrintable(icon.fileName()));
+            fputs(qPrintable(QCG::tr("Cannot open %1.\n").arg(icon.fileName())), stderr);
             return -1;
         }
         CollectionConfiguration::setApplicationIcon(helpEngine, icon.readAll());
@@ -535,7 +536,7 @@ int main(int argc, char *argv[])
     if (!config.aboutIcon().isEmpty()) {
         QFile icon(absoluteFileName(basePath, config.aboutIcon()));
         if (!icon.open(QIODevice::ReadOnly)) {
-            fprintf(stderr, "Cannot open %s!\n", qPrintable(icon.fileName()));
+            fputs(qPrintable(QCG::tr("Cannot open %1.\n").arg(icon.fileName())), stderr);
             return -1;
         }
         CollectionConfiguration::setAboutIcon(helpEngine, icon.readAll());
@@ -557,7 +558,7 @@ int main(int argc, char *argv[])
             QFileInfo fi(absoluteFileName(basePath, it.value()));
             QFile f(fi.absoluteFilePath());
             if (!f.open(QIODevice::ReadOnly)) {
-                fprintf(stderr, "Cannot open %s!\n", qPrintable(f.fileName()));
+                fputs(qPrintable(QCG::tr("Cannot open %1.\n").arg(f.fileName())), stderr);
                 return -1;
             }
             QByteArray data = f.readAll();
@@ -579,8 +580,8 @@ int main(int argc, char *argv[])
                         if (!imgData.contains(src))
                             imgData.insert(src, img.readAll());
                     } else {
-                        fprintf(stderr, "Cannot open referenced image file %s!\n",
-                            qPrintable(img.fileName()));
+                        fputs(qPrintable(QCG::tr("Cannot open referenced image file %1.\n")
+                                         .arg(img.fileName())), stderr);
                     }
                 }
             }
diff --git a/tools/assistant/tools/qhelpconverter/filterpage.cpp b/tools/assistant/tools/qhelpconverter/filterpage.cpp
index 7f86980..c782943 100644
--- a/tools/assistant/tools/qhelpconverter/filterpage.cpp
+++ b/tools/assistant/tools/qhelpconverter/filterpage.cpp
@@ -127,7 +127,7 @@ void FilterPage::addFilter()
 {
     QTreeWidgetItem *item = new QTreeWidgetItem(m_ui.customFilterWidget);
     item->setFlags(Qt::ItemIsEnabled|Qt::ItemIsEditable|Qt::ItemIsSelectable);
-    item->setText(0, QLatin1String("unfiltered"));
+    item->setText(0, tr("unfiltered", "list of available documentation"));
     item->setText(1, QLatin1String(""));
     m_ui.customFilterWidget->editItem(item, 0);
     m_ui.removeButton->setDisabled(false);
diff --git a/tools/assistant/tools/qhelpconverter/finishpage.cpp b/tools/assistant/tools/qhelpconverter/finishpage.cpp
index 0be3a1b..f0228e3 100644
--- a/tools/assistant/tools/qhelpconverter/finishpage.cpp
+++ b/tools/assistant/tools/qhelpconverter/finishpage.cpp
@@ -52,8 +52,7 @@ FinishPage::FinishPage(QWidget *parent)
     : QWizardPage(parent)
 {
     setTitle(tr("Converting File"));
-    setSubTitle(QLatin1String("Creating the new Qt help files from the "
-        "old .adp file."));
+    setSubTitle(tr("Creating the new Qt help files from the old ADP file."));
     setFinalPage(true);
 
     QVBoxLayout *layout = new QVBoxLayout(this);
diff --git a/tools/assistant/tools/qhelpconverter/helpwindow.cpp b/tools/assistant/tools/qhelpconverter/helpwindow.cpp
index 9cc1a85..2c7e030 100644
--- a/tools/assistant/tools/qhelpconverter/helpwindow.cpp
+++ b/tools/assistant/tools/qhelpconverter/helpwindow.cpp
@@ -64,7 +64,7 @@ HelpWindow::HelpWindow(QWidget *parent)
 
     layout = new QVBoxLayout(frame);
     layout->setMargin(2);
-    QLabel *l = new QLabel(QLatin1String("<center><b>Wizard Assistant</b></center>"));
+    QLabel *l = new QLabel(tr("<center><b>Wizard Assistant</b></center>"));
     layout->addWidget(l);
     m_textEdit = new QTextEdit();
     m_textEdit->setFrameStyle(QFrame::NoFrame);
diff --git a/tools/assistant/tools/qhelpgenerator/main.cpp b/tools/assistant/tools/qhelpgenerator/main.cpp
index 7ea7154..637786c 100644
--- a/tools/assistant/tools/qhelpgenerator/main.cpp
+++ b/tools/assistant/tools/qhelpgenerator/main.cpp
@@ -52,6 +52,10 @@
 
 QT_USE_NAMESPACE
 
+class QHG {
+    Q_DECLARE_TR_FUNCTIONS(QHelpGenerator)
+};
+
 int main(int argc, char *argv[])
 {
     QString error;
@@ -84,8 +88,7 @@ int main(int argc, char *argv[])
                 QFileInfo fi(QString::fromLocal8Bit(argv[i]));
                 compressedFile = fi.absoluteFilePath();
             } else {
-                error = QCoreApplication::translate("QHelpGenerator",
-                            "Missing output file name!");
+                error = QHG::tr("Missing output file name.");
             }
         } else if (arg == QLatin1String("-v")) {
             showVersion = true;
@@ -101,16 +104,15 @@ int main(int argc, char *argv[])
     }
 
     if (showVersion) {
-        fprintf(stdout, "Qt Help Generator version 1.0 (Qt %s)\n",
-                QT_VERSION_STR);
+        fputs(qPrintable(QHG::tr("Qt Help Generator version 1.0 (Qt %1)\n")
+                         .arg(QT_VERSION_STR)), stdout);
         return 0;
     }
 
     if (projectFile.isEmpty() && !showHelp)
-        error = QCoreApplication::translate("QHelpGenerator",
-                                            "Missing Qt help project file!");
+        error = QHG::tr("Missing Qt help project file.");
 
-    QString help = QCoreApplication::translate("QHelpGenerator", "\nUsage:\n\n"
+    QString help = QHG::tr("\nUsage:\n\n"
         "qhelpgenerator <help-project-file> [options]\n\n"
         "  -o <compressed-file>   Generates a Qt compressed help\n"
         "                         file called <compressed-file>.\n"
@@ -122,7 +124,7 @@ int main(int argc, char *argv[])
         "                         qhelpgenerator.\n\n");
 
     if (showHelp) {
-        fprintf(stdout, "%s", qPrintable(help));
+        fputs(qPrintable(help), stdout);
         return 0;
     }else if (!error.isEmpty()) {
         fprintf(stderr, "%s\n\n%s", qPrintable(error), qPrintable(help));
@@ -131,7 +133,7 @@ int main(int argc, char *argv[])
 
     QFile file(projectFile);
     if (!file.open(QIODevice::ReadOnly)) {
-        fprintf(stderr, "Could not open %s!\n", qPrintable(projectFile));
+        fputs(qPrintable(QHG::tr("Could not open %1.\n").arg(projectFile)), stderr);
         return -1;
     }
 
@@ -147,8 +149,8 @@ int main(int argc, char *argv[])
         QDir parentDir = fi.dir();
         if (!parentDir.exists()) {
             if (!parentDir.mkpath(QLatin1String("."))) {
-                fprintf(stderr, "Could not create output directory: %s\n",
-                        qPrintable(parentDir.path()));
+                fputs(qPrintable(QHG::tr("Could not create output directory: %1\n")
+                                 .arg(parentDir.path())), stderr);
             }
         }
     }
diff --git a/tools/assistant/tools/shared/helpgenerator.cpp b/tools/assistant/tools/shared/helpgenerator.cpp
index 12008e6..4812bc5 100644
--- a/tools/assistant/tools/shared/helpgenerator.cpp
+++ b/tools/assistant/tools/shared/helpgenerator.cpp
@@ -73,12 +73,12 @@ QString HelpGenerator::error() const
 
 void HelpGenerator::printStatus(const QString &msg)
 {
-    fprintf(stdout, "%s\n", qPrintable(msg));
+    puts(qPrintable(msg));
 }
 
 void HelpGenerator::printWarning(const QString &msg)
 {
-    fprintf(stdout, "Warning: %s\n", qPrintable(msg));
+    puts(qPrintable(tr("Warning: %1").arg(msg)));
 }
 
 QT_END_NAMESPACE
diff --git a/tools/designer/src/components/taskmenu/itemlisteditor.cpp b/tools/designer/src/components/taskmenu/itemlisteditor.cpp
index 94959fd..9f8e9c8 100644
--- a/tools/designer/src/components/taskmenu/itemlisteditor.cpp
+++ b/tools/designer/src/components/taskmenu/itemlisteditor.cpp
@@ -114,20 +114,20 @@ void AbstractItemEditor::keyPressEvent(QKeyEvent *e)
 }
 
 static const char * const itemFlagNames[] = {
-    "Selectable",
-    "Editable",
-    "DragEnabled",
-    "DropEnabled",
-    "UserCheckable",
-    "Enabled",
-    "Tristate",
+    QT_TRANSLATE_NOOP("AbstractItemEditor", "Selectable"),
+    QT_TRANSLATE_NOOP("AbstractItemEditor", "Editable"),
+    QT_TRANSLATE_NOOP("AbstractItemEditor", "DragEnabled"),
+    QT_TRANSLATE_NOOP("AbstractItemEditor", "DropEnabled"),
+    QT_TRANSLATE_NOOP("AbstractItemEditor", "UserCheckable"),
+    QT_TRANSLATE_NOOP("AbstractItemEditor", "Enabled"),
+    QT_TRANSLATE_NOOP("AbstractItemEditor", "Tristate"),
     0
 };
 
 static const char * const checkStateNames[] = {
-    "Unchecked",
-    "PartiallyChecked",
-    "Checked",
+    QT_TRANSLATE_NOOP("AbstractItemEditor", "Unchecked"),
+    QT_TRANSLATE_NOOP("AbstractItemEditor", "PartiallyChecked"),
+    QT_TRANSLATE_NOOP("AbstractItemEditor", "Checked"),
     0
 };
 
@@ -135,7 +135,7 @@ static QStringList c2qStringList(const char * const in[])
 {
     QStringList out;
     for (int i = 0; in[i]; i++)
-        out << QLatin1String(in[i]);
+        out << AbstractItemEditor::tr(in[i]);
     return out;
 }
 
diff --git a/tools/designer/src/lib/shared/plugindialog.cpp b/tools/designer/src/lib/shared/plugindialog.cpp
index 3e88043..63ba81c 100644
--- a/tools/designer/src/lib/shared/plugindialog.cpp
+++ b/tools/designer/src/lib/shared/plugindialog.cpp
@@ -102,7 +102,7 @@ void PluginDialog::populateTreeWidget()
     const QStringList fileNames = pluginManager->registeredPlugins();
 
     if (!fileNames.isEmpty()) {
-        QTreeWidgetItem *topLevelItem = setTopLevelItem(QLatin1String("Loaded Plugins"));
+        QTreeWidgetItem *topLevelItem = setTopLevelItem(tr("Loaded Plugins"));
         QFont boldFont = topLevelItem->font(0);
 
         foreach (const QString &fileName, fileNames) {
@@ -125,7 +125,7 @@ void PluginDialog::populateTreeWidget()
 
     const QStringList notLoadedPlugins = pluginManager->failedPlugins();
     if (!notLoadedPlugins.isEmpty()) {
-        QTreeWidgetItem *topLevelItem = setTopLevelItem(QLatin1String("Failed Plugins"));
+        QTreeWidgetItem *topLevelItem = setTopLevelItem(tr("Failed Plugins"));
         const QFont boldFont = topLevelItem->font(0);
         foreach (const QString &plugin, notLoadedPlugins) {
             const QString failureReason = pluginManager->failureReason(plugin);
diff --git a/tools/designer/src/plugins/phononwidgets/seeksliderplugin.cpp b/tools/designer/src/plugins/phononwidgets/seeksliderplugin.cpp
index c508fa2..7f597ff 100644
--- a/tools/designer/src/plugins/phononwidgets/seeksliderplugin.cpp
+++ b/tools/designer/src/plugins/phononwidgets/seeksliderplugin.cpp
@@ -66,12 +66,12 @@ QString SeekSliderPlugin::group() const
 
 QString SeekSliderPlugin::toolTip() const
 {
-    return QString(QLatin1String(toolTipC));
+    return tr(toolTipC);
 }
 
 QString SeekSliderPlugin::whatsThis() const
 {
-    return QString(QLatin1String(toolTipC));
+    return tr(toolTipC);
 }
 
 QString SeekSliderPlugin::includeFile() const
diff --git a/tools/designer/src/plugins/phononwidgets/videoplayerplugin.cpp b/tools/designer/src/plugins/phononwidgets/videoplayerplugin.cpp
index d4af121..489a08c 100644
--- a/tools/designer/src/plugins/phononwidgets/videoplayerplugin.cpp
+++ b/tools/designer/src/plugins/phononwidgets/videoplayerplugin.cpp
@@ -72,12 +72,12 @@ QString VideoPlayerPlugin::group() const
 
 QString VideoPlayerPlugin::toolTip() const
 {
-    return QString(QLatin1String(toolTipC));
+    return tr(toolTipC);
 }
 
 QString VideoPlayerPlugin::whatsThis() const
 {
-    return QString(QLatin1String(toolTipC));
+    return tr(toolTipC);
 }
 
 QString VideoPlayerPlugin::includeFile() const
diff --git a/tools/designer/src/plugins/phononwidgets/volumesliderplugin.cpp b/tools/designer/src/plugins/phononwidgets/volumesliderplugin.cpp
index becd5d9..24eb829 100644
--- a/tools/designer/src/plugins/phononwidgets/volumesliderplugin.cpp
+++ b/tools/designer/src/plugins/phononwidgets/volumesliderplugin.cpp
@@ -66,12 +66,12 @@ QString VolumeSliderPlugin::group() const
 
 QString VolumeSliderPlugin::toolTip() const
 {
-    return QString(QLatin1String(toolTipC));
+    return tr(toolTipC);
 }
 
 QString VolumeSliderPlugin::whatsThis() const
 {
-    return QString(QLatin1String(toolTipC));
+    return tr(toolTipC);
 }
 
 QString VolumeSliderPlugin::includeFile() const
diff --git a/tools/designer/src/plugins/qdeclarativeview/qdeclarativeview_plugin.cpp b/tools/designer/src/plugins/qdeclarativeview/qdeclarativeview_plugin.cpp
index b352a9b..7148ad0 100644
--- a/tools/designer/src/plugins/qdeclarativeview/qdeclarativeview_plugin.cpp
+++ b/tools/designer/src/plugins/qdeclarativeview/qdeclarativeview_plugin.cpp
@@ -69,12 +69,12 @@ QString QDeclarativeViewPlugin::group() const
 
 QString QDeclarativeViewPlugin::toolTip() const
 {
-    return QString(QLatin1String(toolTipC));
+    return tr(toolTipC);
 }
 
 QString QDeclarativeViewPlugin::whatsThis() const
 {
-    return QString(QLatin1String(toolTipC));
+    return tr(toolTipC);
 }
 
 QString QDeclarativeViewPlugin::includeFile() const
diff --git a/tools/designer/src/plugins/qwebview/qwebview_plugin.cpp b/tools/designer/src/plugins/qwebview/qwebview_plugin.cpp
index 61f7e66..c90e191 100644
--- a/tools/designer/src/plugins/qwebview/qwebview_plugin.cpp
+++ b/tools/designer/src/plugins/qwebview/qwebview_plugin.cpp
@@ -69,12 +69,12 @@ QString QWebViewPlugin::group() const
 
 QString QWebViewPlugin::toolTip() const
 {
-    return QString(QLatin1String(toolTipC));
+    return tr(toolTipC);
 }
 
 QString QWebViewPlugin::whatsThis() const
 {
-    return QString(QLatin1String(toolTipC));
+    return tr(toolTipC);
 }
 
 QString QWebViewPlugin::includeFile() const
diff --git a/tools/linguist/lconvert/main.cpp b/tools/linguist/lconvert/main.cpp
index e7c1d9a..d691548 100644
--- a/tools/linguist/lconvert/main.cpp
+++ b/tools/linguist/lconvert/main.cpp
@@ -52,6 +52,10 @@
 
 QT_USE_NAMESPACE
 
+class LC {
+    Q_DECLARE_TR_FUNCTIONS(LConvert)
+};
+
 static int usage(const QStringList &args)
 {
     Q_UNUSED(args);
@@ -61,7 +65,7 @@ static int usage(const QStringList &args)
     foreach (Translator::FileFormat format, Translator::registeredFileFormats())
         loaders += line.arg(format.extension, -5).arg(format.description);
 
-    std::cerr << qPrintable(QString(QLatin1String("\nUsage:\n"
+    std::cerr << qPrintable(LC::tr("\nUsage:\n"
         "    lconvert [options] <infile> [<infile>...]\n\n"
         "lconvert is part of Qt's Linguist tool chain. It can be used as a\n"
         "stand-alone tool to convert and filter translation data files.\n"
@@ -123,7 +127,7 @@ static int usage(const QStringList &args)
         "    0 on success\n"
         "    1 on command line parse failures\n"
         "    2 on read failures\n"
-        "    3 on write failures\n")).arg(loaders));
+        "    3 on write failures\n").arg(loaders));
     return 1;
 }
 
diff --git a/tools/linguist/linguist/phrase.cpp b/tools/linguist/linguist/phrase.cpp
index 254daf4..709ec35 100644
--- a/tools/linguist/linguist/phrase.cpp
+++ b/tools/linguist/linguist/phrase.cpp
@@ -188,10 +188,9 @@ bool QphHandler::characters(const QString &ch)
 bool QphHandler::fatalError(const QXmlParseException &exception)
 {
     if (ferrorCount++ == 0) {
-        QString msg;
-        msg.sprintf("Parse error at line %d, column %d (%s).",
-            exception.lineNumber(), exception.columnNumber(),
-            exception.message().toLatin1().constData());
+        QString msg = PhraseBook::tr("Parse error at line %1, column %2 (%3).")
+            .arg(exception.lineNumber()).arg(exception.columnNumber())
+            .arg(exception.message());
         QMessageBox::information(0,
             QObject::tr("Qt Linguist"), msg);
     }
diff --git a/tools/linguist/lrelease/main.cpp b/tools/linguist/lrelease/main.cpp
index 003d379..19377ef 100644
--- a/tools/linguist/lrelease/main.cpp
+++ b/tools/linguist/lrelease/main.cpp
@@ -65,6 +65,17 @@ static void initBinaryDir(
         const char *argv0
 #endif
         );
+
+struct LR {
+    static inline QString tr(const char *sourceText, const char *comment = 0)
+    {
+        return QCoreApplication::translate("LRelease", sourceText, comment);
+    }
+};
+#else
+class LR {
+    Q_DECLARE_TR_FUNCTIONS(LRelease)
+};
 #endif
 
 static void printOut(const QString & out)
@@ -75,7 +86,7 @@ static void printOut(const QString & out)
 
 static void printUsage()
 {
-    printOut(QCoreApplication::tr(
+    printOut(LR::tr(
         "Usage:\n"
         "    lrelease [options] project-file\n"
         "    lrelease [options] ts-files [-qm qm-file]\n\n"
@@ -108,7 +119,7 @@ static bool loadTsFile(Translator &tor, const QString &tsFileName, bool /* verbo
     ConversionData cd;
     bool ok = tor.load(tsFileName, cd, QLatin1String("auto"));
     if (!ok) {
-        std::cerr << "lrelease error: " << qPrintable(cd.error());
+        std::cerr << qPrintable(LR::tr("lrelease error: %1").arg(cd.error()));
     } else {
         if (!cd.errors().isEmpty())
             printOut(cd.error());
@@ -123,17 +134,17 @@ static bool releaseTranslator(Translator &tor, const QString &qmFileName,
     tor.reportDuplicates(tor.resolveDuplicates(), qmFileName, cd.isVerbose());
 
     if (cd.isVerbose())
-        printOut(QCoreApplication::tr( "Updating '%1'...\n").arg(qmFileName));
+        printOut(LR::tr("Updating '%1'...\n").arg(qmFileName));
     if (removeIdentical) {
         if (cd.isVerbose())
-            printOut(QCoreApplication::tr( "Removing translations equal to source text in '%1'...\n").arg(qmFileName));
+            printOut(LR::tr("Removing translations equal to source text in '%1'...\n").arg(qmFileName));
         tor.stripIdenticalSourceTranslations();
     }
 
     QFile file(qmFileName);
     if (!file.open(QIODevice::WriteOnly)) {
-        std::cerr << "lrelease error: cannot create '" << qPrintable(qmFileName)
-                  << "': " << qPrintable(file.errorString()) << std::endl;
+        std::cerr << qPrintable(LR::tr("lrelease error: cannot create '%1': %2\n")
+                                .arg(qmFileName, file.errorString()));
         return false;
     }
 
@@ -142,8 +153,8 @@ static bool releaseTranslator(Translator &tor, const QString &qmFileName,
     file.close();
 
     if (!ok) {
-        std::cerr << "lrelease error: cannot save '" << qPrintable(qmFileName)
-                  << "': " << qPrintable(cd.error());
+        std::cerr << qPrintable(LR::tr("lrelease error: cannot save '%1': %2")
+                                .arg(qmFileName, cd.error()));
     } else if (!cd.errors().isEmpty()) {
         printOut(cd.error());
     }
@@ -227,7 +238,7 @@ int main(int argc, char **argv)
             cd.m_verbose = true;
             continue;
         } else if (!strcmp(argv[i], "-version")) {
-            printOut(QCoreApplication::tr( "lrelease version %1\n").arg(QLatin1String(QT_VERSION_STR)) );
+            printOut(LR::tr("lrelease version %1\n").arg(QLatin1String(QT_VERSION_STR)));
             return 0;
         } else if (!strcmp(argv[i], "-qm")) {
             if (i == argc - 1) {
@@ -261,20 +272,23 @@ int main(int argc, char **argv)
             visitor.setVerbose(cd.isVerbose());
 
             if (!visitor.queryProFile(&pro)) {
-                std::cerr << "lrelease error: cannot read project file '"
-                          << qPrintable(inputFile) << "'.\n";
+                std::cerr << qPrintable(LR::tr(
+                          "lrelease error: cannot read project file '%1'.\n")
+                          .arg(inputFile));
                 continue;
             }
             if (!visitor.accept(&pro)) {
-                std::cerr << "lrelease error: cannot process project file '"
-                          << qPrintable(inputFile) << "'.\n";
+                std::cerr << qPrintable(LR::tr(
+                          "lrelease error: cannot process project file '%1'.\n")
+                          .arg(inputFile));
                 continue;
             }
 
             QStringList translations = visitor.values(QLatin1String("TRANSLATIONS"));
             if (translations.isEmpty()) {
-                std::cerr << "lrelease warning: Met no 'TRANSLATIONS' entry in project file '"
-                          << qPrintable(inputFile) << "'\n";
+                std::cerr << qPrintable(LR::tr(
+                          "lrelease warning: Met no 'TRANSLATIONS' entry in project file '%1'\n")
+                          .arg(inputFile));
             } else {
                 QDir proDir(fi.absolutePath());
                 foreach (const QString &trans, translations)
diff --git a/tools/linguist/lupdate/cpp.cpp b/tools/linguist/lupdate/cpp.cpp
index bc9bb26..970d44b 100644
--- a/tools/linguist/lupdate/cpp.cpp
+++ b/tools/linguist/lupdate/cpp.cpp
@@ -50,6 +50,7 @@
 #include <QtCore/QString>
 #include <QtCore/QTextCodec>
 #include <QtCore/QTextStream>
+#include <QtCore/QCoreApplication>
 
 #include <iostream>
 
@@ -57,6 +58,10 @@
 
 QT_BEGIN_NAMESPACE
 
+class LU {
+    Q_DECLARE_TR_FUNCTIONS(LUpdate)
+};
+
 /* qmake ignore Q_OBJECT */
 
 static QString MagicComment(QLatin1String("TRANSLATOR"));
@@ -624,8 +629,8 @@ uint CppParser::getToken()
                                 || yyBraceDepth != is.braceDepth1st
                                 || yyParenDepth != is.parenDepth1st)
                                 yyMsg(is.elseLine)
-                                    << "Parenthesis/bracket/brace mismatch between "
-                                       "#if and #else branches; using #if branch\n";
+                                    << qPrintable(LU::tr("Parenthesis/bracket/brace mismatch between "
+                                                         "#if and #else branches; using #if branch\n"));
                         } else {
                             is.bracketDepth1st = yyBracketDepth;
                             is.braceDepth1st = yyBraceDepth;
@@ -647,8 +652,8 @@ uint CppParser::getToken()
                                 || yyBraceDepth != is.braceDepth1st
                                 || yyParenDepth != is.parenDepth1st)
                                 yyMsg(is.elseLine)
-                                    << "Parenthesis/brace mismatch between "
-                                       "#if and #else branches; using #if branch\n";
+                                    << qPrintable(LU::tr("Parenthesis/brace mismatch between "
+                                                         "#if and #else branches; using #if branch\n"));
                             yyBracketDepth = is.bracketDepth1st;
                             yyBraceDepth = is.braceDepth1st;
                             yyParenDepth = is.parenDepth1st;
@@ -674,7 +679,7 @@ uint CppParser::getToken()
                         forever {
                             yyCh = getChar();
                             if (yyCh == EOF) {
-                                yyMsg() << "Unterminated C++ comment\n";
+                                yyMsg() << qPrintable(LU::tr("Unterminated C++ comment\n"));
                                 break;
                             }
 
@@ -804,7 +809,7 @@ uint CppParser::getToken()
                     forever {
                         yyCh = getChar();
                         if (yyCh == EOF) {
-                            yyMsg() << "Unterminated C++ comment\n";
+                            yyMsg() << qPrintable(LU::tr("Unterminated C++ comment\n"));
                             break;
                         }
                         *ptr++ = yyCh;
@@ -837,7 +842,7 @@ uint CppParser::getToken()
                 yyWord.resize(ptr - (ushort *)yyWord.unicode());
 
                 if (yyCh != '"')
-                    yyMsg() << "Unterminated C++ string\n";
+                    yyMsg() << qPrintable(LU::tr("Unterminated C++ string\n"));
                 else
                     yyCh = getChar();
                 return Tok_String;
@@ -894,8 +899,8 @@ uint CppParser::getToken()
                 if (yyBraceDepth == yyMinBraceDepth) {
                     if (!inDefine)
                         yyMsg(yyCurLineNo)
-                            << "Excess closing brace in C++ code"
-                               " (or abuse of the C++ preprocessor)\n";
+                            << qPrintable(LU::tr("Excess closing brace in C++ code"
+                                                 " (or abuse of the C++ preprocessor)\n"));
                     // Avoid things getting messed up even more
                     yyCh = getChar();
                     return Tok_Semicolon;
@@ -912,8 +917,8 @@ uint CppParser::getToken()
             case ')':
                 if (yyParenDepth == 0)
                     yyMsg(yyCurLineNo)
-                        << "Excess closing parenthesis in C++ code"
-                           " (or abuse of the C++ preprocessor)\n";
+                        << qPrintable(LU::tr("Excess closing parenthesis in C++ code"
+                                             " (or abuse of the C++ preprocessor)\n"));
                 else
                     yyParenDepth--;
                 yyCh = getChar();
@@ -927,8 +932,8 @@ uint CppParser::getToken()
             case ']':
                 if (yyBracketDepth == 0)
                     yyMsg(yyCurLineNo)
-                        << "Excess closing bracket in C++ code"
-                           " (or abuse of the C++ preprocessor)\n";
+                        << qPrintable(LU::tr("Excess closing bracket in C++ code"
+                                             " (or abuse of the C++ preprocessor)\n"));
                 else
                     yyBracketDepth--;
                 yyCh = getChar();
@@ -1296,7 +1301,7 @@ void CppParser::processInclude(const QString &file, ConversionData &cd,
     QString cleanFile = QDir::cleanPath(file);
 
     if (inclusions.contains(cleanFile)) {
-        yyMsg() << "circular inclusion of " << qPrintable(cleanFile) << std::endl;
+        yyMsg() << qPrintable(LU::tr("circular inclusion of %1\n").arg(cleanFile));
         return;
     }
 
@@ -1320,9 +1325,7 @@ void CppParser::processInclude(const QString &file, ConversionData &cd,
 
     QFile f(cleanFile);
     if (!f.open(QIODevice::ReadOnly)) {
-        yyMsg()
-            << "Cannot open " << qPrintable(cleanFile) << ": "
-            << qPrintable(f.errorString()) << std::endl;
+        yyMsg() << qPrintable(LU::tr("Cannot open %1: %2\n").arg(cleanFile, f.errorString()));
         return;
     }
 
@@ -1766,7 +1769,7 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
             if (!tor)
                 goto case_default;
             if (!sourcetext.isEmpty())
-                yyMsg() << "//% cannot be used with tr() / QT_TR_NOOP(). Ignoring\n";
+                yyMsg() << qPrintable(LU::tr("//% cannot be used with tr() / QT_TR_NOOP(). Ignoring\n"));
             utf8 = (yyTok == Tok_trUtf8);
             line = yyLineNo;
             yyTok = getToken();
@@ -1787,9 +1790,8 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
                     QStringList unresolved;
                     if (!fullyQualify(namespaces, pendingContext, true, &functionContext, &unresolved)) {
                         functionContextUnresolved = unresolved.join(strColons);
-                        yyMsg() << "Qualifying with unknown namespace/class "
-                                << qPrintable(stringifyNamespace(functionContext)) << "::"
-                                << qPrintable(unresolved.first()) << std::endl;
+                        yyMsg() << qPrintable(LU::tr("Qualifying with unknown namespace/class %1::%2\n")
+                                              .arg(stringifyNamespace(functionContext)).arg(unresolved.first()));
                     }
                     pendingContext.clear();
                 }
@@ -1797,7 +1799,7 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
                     if (functionContextUnresolved.isEmpty()) {
                         int idx = functionContext.length();
                         if (idx < 2) {
-                            yyMsg() << "tr() cannot be called without context\n";
+                            yyMsg() << qPrintable(LU::tr("tr() cannot be called without context\n"));
                             break;
                         }
                         Namespace *fctx;
@@ -1806,8 +1808,8 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
                                 context = stringifyNamespace(functionContext);
                                 fctx = findNamespace(functionContext)->classDef;
                                 if (!fctx->complained) {
-                                    yyMsg() << "Class '" << qPrintable(context)
-                                            << "' lacks Q_OBJECT macro\n";
+                                    yyMsg() << qPrintable(LU::tr("Class '%1' lacks Q_OBJECT macro\n")
+                                                         .arg(context));
                                     fctx->complained = true;
                                 }
                                 goto gotctx;
@@ -1835,8 +1837,8 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
                     int last = prefix.lastIndexOf(strColons);
                     QString className = prefix.mid(last == -1 ? 0 : last + 2);
                     if (!className.isEmpty() && className == functionName) {
-                        yyMsg() << "It is not recommended to call tr() from within a constructor '"
-                                << qPrintable(className) << "::" << qPrintable(functionName) << "'\n";
+                        yyMsg() << qPrintable(LU::tr("It is not recommended to call tr() from within a constructor '%1::%2'\n")
+                                .arg(className).arg(functionName));
                     }
 #endif
                     prefix.chop(2);
@@ -1851,7 +1853,7 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
                             context = fctx->trQualification;
                         }
                         if (!fctx->hasTrFunctions && !fctx->complained) {
-                            yyMsg() << "Class '" << qPrintable(context) << "' lacks Q_OBJECT macro\n";
+                            yyMsg() << qPrintable(LU::tr("Class '%1' lacks Q_OBJECT macro\n").arg(context));
                             fctx->complained = true;
                         }
                     } else {
@@ -1873,7 +1875,7 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
             if (!tor)
                 goto case_default;
             if (!sourcetext.isEmpty())
-                yyMsg() << "//% cannot be used with translate() / QT_TRANSLATE_NOOP(). Ignoring\n";
+                yyMsg() << qPrintable(LU::tr("//% cannot be used with translate() / QT_TRANSLATE_NOOP(). Ignoring\n"));
             utf8 = (yyTok == Tok_translateUtf8);
             line = yyLineNo;
             yyTok = getToken();
@@ -1928,7 +1930,7 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
             if (!tor)
                 goto case_default;
             if (!msgid.isEmpty())
-                yyMsg() << "//= cannot be used with qtTrId() / QT_TRID_NOOP(). Ignoring\n";
+                yyMsg() << qPrintable(LU::tr("//= cannot be used with qtTrId() / QT_TRID_NOOP(). Ignoring\n"));
             //utf8 = false; // Maybe use //%% or something like that
             line = yyLineNo;
             yyTok = getToken();
@@ -1995,13 +1997,13 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
                     if (isspace(c))
                         continue;
                     if (c != '"') {
-                        yyMsg() << "Unexpected character in meta string\n";
+                        yyMsg() << qPrintable(LU::tr("Unexpected character in meta string\n"));
                         break;
                     }
                     forever {
                         if (p >= yyWord.length()) {
                           whoops:
-                            yyMsg() << "Unterminated meta string\n";
+                            yyMsg() << qPrintable(LU::tr("Unterminated meta string\n"));
                             break;
                         }
                         c = yyWord.unicode()[p++].unicode();
@@ -2054,7 +2056,7 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
         case Tok_Arrow:
             yyTok = getToken();
             if (yyTok == Tok_tr || yyTok == Tok_trUtf8)
-                yyMsg() << "Cannot invoke tr() like this\n";
+                yyMsg() << qPrintable(LU::tr("Cannot invoke tr() like this\n"));
             break;
         case Tok_ColonColon:
             if (yyBraceDepth == namespaceDepths.count() && yyParenDepth == 0 && !yyTokColonSeen)
@@ -2087,7 +2089,7 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
             prospectiveContext.clear();
             prefix.clear();
             if (!sourcetext.isEmpty() || !extracomment.isEmpty() || !msgid.isEmpty() || !extra.isEmpty()) {
-                yyMsg() << "Discarding unconsumed meta data\n";
+                yyMsg() << qPrintable(LU::tr("Discarding unconsumed meta data\n"));
                 sourcetext.clear();
                 extracomment.clear();
                 msgid.clear();
@@ -2127,16 +2129,16 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
 
     if (yyBraceDepth != 0)
         yyMsg(yyBraceLineNo)
-            << "Unbalanced opening brace in C++ code"
-               " (or abuse of the C++ preprocessor)\n";
+            << qPrintable(LU::tr("Unbalanced opening brace in C++ code"
+                                 " (or abuse of the C++ preprocessor)\n"));
     else if (yyParenDepth != 0)
         yyMsg(yyParenLineNo)
-            << "Unbalanced opening parenthesis in C++ code"
-               " (or abuse of the C++ preprocessor)\n";
+            << qPrintable(LU::tr("Unbalanced opening parenthesis in C++ code"
+                                 " (or abuse of the C++ preprocessor)\n"));
     else if (yyBracketDepth != 0)
         yyMsg(yyBracketLineNo)
-            << "Unbalanced opening bracket in C++ code"
-               " (or abuse of the C++ preprocessor)\n";
+            << qPrintable(LU::tr("Unbalanced opening bracket in C++ code"
+                                 " (or abuse of the C++ preprocessor)\n"));
 }
 
 const ParseResults *CppParser::recordResults(bool isHeader)
@@ -2197,8 +2199,7 @@ void loadCPP(Translator &translator, const QStringList &filenames, ConversionDat
 
         QFile file(filename);
         if (!file.open(QIODevice::ReadOnly)) {
-            cd.appendError(QString::fromLatin1("Cannot open %1: %2")
-                .arg(filename, file.errorString()));
+            cd.appendError(LU::tr("Cannot open %1: %2").arg(filename, file.errorString()));
             continue;
         }
 
diff --git a/tools/linguist/lupdate/java.cpp b/tools/linguist/lupdate/java.cpp
index dc66e2b..165b6a3 100644
--- a/tools/linguist/lupdate/java.cpp
+++ b/tools/linguist/lupdate/java.cpp
@@ -50,6 +50,7 @@
 #include <QtCore/QStack>
 #include <QtCore/QString>
 #include <QtCore/QTextCodec>
+#include <QtCore/QCoreApplication>
 
 #include <iostream>
 
@@ -57,6 +58,10 @@
 
 QT_BEGIN_NAMESPACE
 
+class LU {
+    Q_DECLARE_TR_FUNCTIONS(LUpdate)
+};
+
 enum { Tok_Eof, Tok_class, Tok_return, Tok_tr,
        Tok_translate, Tok_Ident, Tok_Package,
        Tok_Comment, Tok_String, Tok_Colon, Tok_Dot,
@@ -196,7 +201,7 @@ static int getToken()
                     while ( !metAsterSlash ) {
                         yyCh = getChar();
                         if ( yyCh == EOF ) {
-                            yyMsg() << "Unterminated Java comment.\n";
+                            yyMsg() << qPrintable(LU::tr("Unterminated Java comment.\n"));
                             return Tok_Comment;
                         }
 
@@ -232,7 +237,7 @@ static int getToken()
                                 else {
                                     int sub(yyCh.toLower().toAscii() - 87);
                                     if( sub > 15 || sub < 10) {
-                                        yyMsg() << "Invalid Unicode value.\n";
+                                        yyMsg() << qPrintable(LU::tr("Invalid Unicode value.\n"));
                                         break;
                                     }
                                     unicode += sub;
@@ -255,7 +260,7 @@ static int getToken()
                 }
 
                 if ( yyCh != QLatin1Char('"') )
-                    yyMsg() << "Unterminated string.\n";
+                    yyMsg() << qPrintable(LU::tr("Unterminated string.\n"));
 
                 yyCh = getChar();
 
@@ -368,8 +373,9 @@ static bool matchString( QString &s )
         if (yyTok == Tok_String)
             s += yyString;
         else {
-            yyMsg() << "String used in translation can contain only literals"
-                       " concatenated with other literals, not expressions or numbers.\n";
+            yyMsg() << qPrintable(LU::tr(
+                "String used in translation can contain only literals"
+                " concatenated with other literals, not expressions or numbers.\n"));
             return false;
         }
         yyTok = getToken();
@@ -477,7 +483,7 @@ static void parse( Translator *tor )
                 yyScope.push(new Scope(yyIdent, Scope::Clazz, yyLineNo));
             }
             else {
-                yyMsg() << "'class' must be followed by a class name.\n";
+                yyMsg() << qPrintable(LU::tr("'class' must be followed by a class name.\n"));
                 break;
             }
             while (!match(Tok_LeftBrace)) {
@@ -549,7 +555,7 @@ static void parse( Translator *tor )
 
         case Tok_RightBrace:
             if ( yyScope.isEmpty() ) {
-                yyMsg() << "Excess closing brace.\n";
+                yyMsg() << qPrintable(LU::tr("Excess closing brace.\n"));
             }
             else
                 delete (yyScope.pop());
@@ -578,7 +584,7 @@ static void parse( Translator *tor )
                         yyPackage.append(QLatin1String("."));
                         break;
                     default:
-                         yyMsg() << "'package' must be followed by package name.\n";
+                         yyMsg() << qPrintable(LU::tr("'package' must be followed by package name.\n"));
                          break;
                 }
                 yyTok = getToken();
@@ -591,9 +597,9 @@ static void parse( Translator *tor )
     }
 
     if ( !yyScope.isEmpty() )
-        yyMsg(yyScope.top()->line) << "Unbalanced opening brace.\n";
+        yyMsg(yyScope.top()->line) << qPrintable(LU::tr("Unbalanced opening brace.\n"));
     else if ( yyParenDepth != 0 )
-        yyMsg(yyParenLineNo) << "Unbalanced opening parenthesis.\n";
+        yyMsg(yyParenLineNo) << qPrintable(LU::tr("Unbalanced opening parenthesis.\n"));
 }
 
 
@@ -601,8 +607,7 @@ bool loadJava(Translator &translator, const QString &filename, ConversionData &c
 {
     QFile file(filename);
     if (!file.open(QIODevice::ReadOnly)) {
-        cd.appendError(QString::fromLatin1("Cannot open %1: %2")
-            .arg(filename, file.errorString()));
+        cd.appendError(LU::tr("Cannot open %1: %2").arg(filename, file.errorString()));
         return false;
     }
 
diff --git a/tools/linguist/lupdate/main.cpp b/tools/linguist/lupdate/main.cpp
index 0ff5288..d96e205 100644
--- a/tools/linguist/lupdate/main.cpp
+++ b/tools/linguist/lupdate/main.cpp
@@ -81,7 +81,7 @@ static void recursiveFileInfoList(const QDir &dir,
 
 static void printUsage()
 {
-    printOut(QObject::tr(
+    printOut(LU::tr(
         "Usage:\n"
         "    lupdate [options] [project-file]...\n"
         "    lupdate [options] [source-file|path|@lst-file]... -ts ts-files|@lst-file\n\n"
@@ -188,7 +188,7 @@ static void updateTsFiles(const Translator &fetchedTor, const QStringList &tsFil
         else if (options & AbsoluteLocations)
             tor.setLocationsType(Translator::AbsoluteLocations);
         if (options & Verbose)
-            printOut(QObject::tr("Updating '%1'...\n").arg(fn));
+            printOut(LU::tr("Updating '%1'...\n").arg(fn));
 
         UpdateOptions theseOptions = options;
         if (tor.locationsType() == Translator::NoLocations) // Could be set from file
@@ -203,7 +203,7 @@ static void updateTsFiles(const Translator &fetchedTor, const QStringList &tsFil
         }
         if (options & PluralOnly) {
             if (options & Verbose)
-                printOut(QObject::tr("Stripping non plural forms in '%1'...\n").arg(fn));
+                printOut(LU::tr("Stripping non plural forms in '%1'...\n").arg(fn));
             out.stripNonPluralForms();
         }
         if (options & NoObsolete)
@@ -361,12 +361,12 @@ static void processProjects(
         if (visitor.contains(QLatin1String("TRANSLATIONS"))) {
             if (parentTor) {
                 if (topLevel) {
-                    std::cerr << "lupdate warning: TS files from command line "
-                            "will override TRANSLATIONS in " << qPrintable(proFile) << ".\n";
+                    std::cerr << qPrintable(LU::tr("lupdate warning: TS files from command line "
+                                                   "will override TRANSLATIONS in %1.\n").arg(proFile));
                     goto noTrans;
                 } else if (nestComplain) {
-                    std::cerr << "lupdate warning: TS files from command line "
-                            "prevent recursing into " << qPrintable(proFile) << ".\n";
+                    std::cerr << qPrintable(LU::tr("lupdate warning: TS files from command line "
+                                                   "prevent recursing into %1.\n").arg(proFile));
                     continue;
                 }
             }
@@ -397,8 +397,8 @@ static void processProjects(
       noTrans:
         if (!parentTor) {
             if (topLevel)
-                std::cerr << "lupdate warning: no TS files specified. Only diagnostics "
-                        "will be produced for '" << qPrintable(proFile) << "'.\n";
+                std::cerr << qPrintable(LU::tr("lupdate warning: no TS files specified. Only diagnostics "
+                                               "will be produced for '%1'.\n").arg(proFile));
             Translator tor;
             processProject(nestComplain, pfi, visitor, options, codecForSource,
                            targetLanguage, sourceLanguage, &tor, fail);
@@ -625,7 +625,7 @@ int main(int argc, char **argv)
                     proFiles << file;
                 } else if (fi.isDir()) {
                     if (options & Verbose)
-                        printOut(QObject::tr("Scanning directory '%1'...\n").arg(file));
+                        printOut(LU::tr("Scanning directory '%1'...\n").arg(file));
                     QDir dir = QDir(fi.filePath());
                     projectRoots.insert(dir.absolutePath() + QLatin1Char('/'));
                     if (extensionsNameFilters.isEmpty()) {
diff --git a/tools/linguist/lupdate/merge.cpp b/tools/linguist/lupdate/merge.cpp
index fffdf9b..87c150c 100644
--- a/tools/linguist/lupdate/merge.cpp
+++ b/tools/linguist/lupdate/merge.cpp
@@ -44,15 +44,19 @@
 #include "simtexth.h"
 #include "translator.h"
 
+#include <QtCore/QCoreApplication>
 #include <QtCore/QDebug>
 #include <QtCore/QMap>
 #include <QtCore/QStringList>
 #include <QtCore/QTextCodec>
 #include <QtCore/QVector>
 
-
 QT_BEGIN_NAMESPACE
 
+class LU {
+    Q_DECLARE_TR_FUNCTIONS(LUpdate)
+};
+
 static bool isDigitFriendly(QChar c)
 {
     return c.isPunct() || c.isSpace();
@@ -485,24 +489,24 @@ Translator merge(const Translator &tor, const Translator &virginTor,
 
     if (options & Verbose) {
         int totalFound = neww + known;
-        err += QObject::tr("    Found %n source text(s) (%1 new and %2 already existing)\n", 0, totalFound).arg(neww).arg(known);
+        err += LU::tr("    Found %n source text(s) (%1 new and %2 already existing)\n", 0, totalFound).arg(neww).arg(known);
 
         if (obsoleted) {
             if (options & NoObsolete) {
-                err += QObject::tr("    Removed %n obsolete entries\n", 0, obsoleted);
+                err += LU::tr("    Removed %n obsolete entries\n", 0, obsoleted);
             } else {
-                err += QObject::tr("    Kept %n obsolete entries\n", 0, obsoleted);
+                err += LU::tr("    Kept %n obsolete entries\n", 0, obsoleted);
             }
         }
 
         if (sameNumberHeuristicCount)
-            err += QObject::tr("    Number heuristic provided %n translation(s)\n",
+            err += LU::tr("    Number heuristic provided %n translation(s)\n",
                       0, sameNumberHeuristicCount);
         if (sameTextHeuristicCount)
-            err += QObject::tr("    Same-text heuristic provided %n translation(s)\n",
+            err += LU::tr("    Same-text heuristic provided %n translation(s)\n",
                       0, sameTextHeuristicCount);
         if (similarTextHeuristicCount)
-            err += QObject::tr("    Similar-text heuristic provided %n translation(s)\n",
+            err += LU::tr("    Similar-text heuristic provided %n translation(s)\n",
                       0, similarTextHeuristicCount);
     }
     return outTor;
diff --git a/tools/linguist/lupdate/qdeclarative.cpp b/tools/linguist/lupdate/qdeclarative.cpp
index 2377416..ffcbf20 100644
--- a/tools/linguist/lupdate/qdeclarative.cpp
+++ b/tools/linguist/lupdate/qdeclarative.cpp
@@ -65,6 +65,10 @@
 
 QT_BEGIN_NAMESPACE
 
+class LU {
+    Q_DECLARE_TR_FUNCTIONS(LUpdate)
+};
+
 using namespace QDeclarativeJS;
 
 class FindTrCalls: protected AST::Visitor
@@ -241,8 +245,7 @@ bool loadQml(Translator &translator, const QString &filename, ConversionData &cd
     cd.m_sourceFileName = filename;
     QFile file(filename);
     if (!file.open(QIODevice::ReadOnly)) {
-        cd.appendError(QString::fromLatin1("Cannot open %1: %2")
-            .arg(filename, file.errorString()));
+        cd.appendError(LU::tr("Cannot open %1: %2").arg(filename, file.errorString()));
         return false;
     }
 
diff --git a/tools/linguist/lupdate/qscript.cpp b/tools/linguist/lupdate/qscript.cpp
index 7ca0987..5323022 100644
--- a/tools/linguist/lupdate/qscript.cpp
+++ b/tools/linguist/lupdate/qscript.cpp
@@ -47,6 +47,7 @@
 
 #include <translator.h>
 
+#include <QtCore/QCoreApplication>
 #include <QtCore/qdebug.h>
 #include <QtCore/qnumeric.h>
 #include <QtCore/qstring.h>
@@ -62,6 +63,10 @@
 
 QT_BEGIN_NAMESPACE
 
+class LU {
+    Q_DECLARE_TR_FUNCTIONS(LUpdate)
+};
+
 class QScriptGrammar
 {
 public:
@@ -1486,7 +1491,7 @@ int QScript::Lexer::lex()
                 else {
                     setDone(Bad);
                     err = IllegalCharacter;
-                    errmsg = QLatin1String("Illegal character");
+                    errmsg = LU::tr("Illegal character");
                 }
             }
             break;
@@ -1497,7 +1502,7 @@ int QScript::Lexer::lex()
             } else if (current == 0 || isLineTerminator()) {
                 setDone(Bad);
                 err = UnclosedStringLiteral;
-                errmsg = QLatin1String("Unclosed string at end of line");
+                errmsg = LU::tr("Unclosed string at end of line");
             } else if (current == '\\') {
                 state = InEscapeSequence;
             } else {
@@ -1523,7 +1528,7 @@ int QScript::Lexer::lex()
                 } else {
                     setDone(Bad);
                     err = IllegalEscapeSequence;
-                    errmsg = QLatin1String("Illegal escape squence");
+                    errmsg = LU::tr("Illegal escape squence");
                 }
             } else if (current == 'x')
                 state = InHexEscape;
@@ -1562,7 +1567,7 @@ int QScript::Lexer::lex()
             } else {
                 setDone(Bad);
                 err = IllegalUnicodeEscapeSequence;
-                errmsg = QLatin1String("Illegal unicode escape sequence");
+                errmsg = LU::tr("Illegal unicode escape sequence");
             }
             break;
         case InSingleLineComment:
@@ -1590,7 +1595,7 @@ int QScript::Lexer::lex()
             if (current == 0) {
                 setDone(Bad);
                 err = UnclosedComment;
-                errmsg = QLatin1String("Unclosed comment at end of file");
+                errmsg = LU::tr("Unclosed comment at end of file");
             } else if (isLineTerminator()) {
                 shiftWindowsLineBreak();
                 yylineno++;
@@ -1678,7 +1683,7 @@ int QScript::Lexer::lex()
             } else {
                 setDone(Bad);
                 err = IllegalExponentIndicator;
-                errmsg = QLatin1String("Illegal syntax for exponential number");
+                errmsg = LU::tr("Illegal syntax for exponential number");
             }
             break;
         case InExponent:
@@ -1704,7 +1709,7 @@ int QScript::Lexer::lex()
          && isIdentLetter(current)) {
         state = Bad;
         err = IllegalIdentifier;
-        errmsg = QLatin1String("Identifier cannot start with numeric literal");
+        errmsg = LU::tr("Identifier cannot start with numeric literal");
     }
 
     // terminate string
@@ -2023,7 +2028,7 @@ bool QScript::Lexer::scanRegExp(RegExpBodyPrefix prefix)
 
     while (1) {
         if (isLineTerminator() || current == 0) {
-            errmsg = QLatin1String("Unterminated regular expression literal");
+            errmsg = LU::tr("Unterminated regular expression literal");
             return false;
         }
         else if (current != '/' || lastWasEscape == true)
@@ -2267,14 +2272,14 @@ case 66: {
     QString name = sym(1).toString();
     if ((name == QLatin1String("qsTranslate")) || (name == QLatin1String("QT_TRANSLATE_NOOP"))) {
         if (!sourcetext.isEmpty())
-            yyMsg(identLineNo) << "//% cannot be used with " << qPrintable(name) << "(). Ignoring\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("//% cannot be used with %1(). Ignoring\n").arg(name));
         QVariantList args = sym(2).toList();
         if (args.size() < 2) {
-            yyMsg(identLineNo) << qPrintable(name) << "() requires at least two arguments.\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("%1() requires at least two arguments.\n").arg(name));
         } else {
             if ((args.at(0).type() != QVariant::String)
                 || (args.at(1).type() != QVariant::String)) {
-                yyMsg(identLineNo) << qPrintable(name) << "(): both arguments must be literal strings.\n";
+                yyMsg(identLineNo) << qPrintable(LU::tr("%1(): both arguments must be literal strings.\n").arg(name));
             } else {
                 QString context = args.at(0).toString();
                 QString text = args.at(1).toString();
@@ -2290,13 +2295,13 @@ case 66: {
         extra.clear();
     } else if ((name == QLatin1String("qsTr")) || (name == QLatin1String("QT_TR_NOOP"))) {
         if (!sourcetext.isEmpty())
-            yyMsg(identLineNo) << "//% cannot be used with " << qPrintable(name) << "(). Ignoring\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("//% cannot be used with %1(). Ignoring\n").arg(name));
         QVariantList args = sym(2).toList();
         if (args.size() < 1) {
-            yyMsg(identLineNo) << qPrintable(name) << "() requires at least one argument.\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("%1() requires at least one argument.\n").arg(name));
         } else {
             if (args.at(0).type() != QVariant::String) {
-                yyMsg(identLineNo) << qPrintable(name) << "(): text to translate must be a literal string.\n";
+                yyMsg(identLineNo) << qPrintable(LU::tr("%1(): text to translate must be a literal string.\n").arg(name));
             } else {
                 QString context = QFileInfo(fileName()).baseName();
                 QString text = args.at(0).toString();
@@ -2312,13 +2317,13 @@ case 66: {
         extra.clear();
     } else if ((name == QLatin1String("qsTrId")) || (name == QLatin1String("QT_TRID_NOOP"))) {
         if (!msgid.isEmpty())
-            yyMsg(identLineNo) << "//= cannot be used with " << qPrintable(name) << "(). Ignoring\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("//= cannot be used with %1(). Ignoring\n").arg(name));
         QVariantList args = sym(2).toList();
         if (args.size() < 1) {
-            yyMsg(identLineNo) << qPrintable(name) << "() requires at least one argument.\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("%1() requires at least one argument.\n").arg(name));
         } else {
             if (args.at(0).type() != QVariant::String) {
-                yyMsg(identLineNo) << qPrintable(name) << "(): identifier must be a literal string.\n";
+                yyMsg(identLineNo) << qPrintable(LU::tr("%1(): identifier must be a literal string.\n").arg(name));
             } else {
                 msgid = args.at(0).toString();
                 bool plural = (args.size() > 1);
@@ -2386,7 +2391,7 @@ case 94: {
 
     case 185:
     if (!sourcetext.isEmpty() || !extracomment.isEmpty() || !msgid.isEmpty() || !extra.isEmpty()) {
-        yyMsg() << "Discarding unconsumed meta data\n";
+        yyMsg() << qPrintable(LU::tr("Discarding unconsumed meta data\n"));
         sourcetext.clear();
         extracomment.clear();
         msgid.clear();
@@ -2448,7 +2453,9 @@ case 94: {
               for (int s = 0; s < shifts; ++s)
                 {
                   if (first)
-                    error_message += QLatin1String ("Expected ");
+                    //: Beginning of the string that contains
+                    //: comma-separated list of expected tokens
+                    error_message += LU::tr("Expected ");
                   else
                     error_message += QLatin1String (", ");
 
@@ -2502,13 +2509,13 @@ void QScriptParser::processComment(const QChar *chars, int length)
             if (isspace(c))
                 continue;
             if (c != '"') {
-                yyMsg() << "Unexpected character in meta string\n";
+                yyMsg() << qPrintable(LU::tr("Unexpected character in meta string\n"));
                 break;
             }
             forever {
                 if (p >= length) {
                   whoops:
-                    yyMsg() << "Unterminated meta string\n";
+                    yyMsg() << qPrintable(LU::tr("Unterminated meta string\n"));
                     break;
                 }
                 c = chars[p++].unicode();
@@ -2534,8 +2541,7 @@ bool loadQScript(Translator &translator, const QString &filename, ConversionData
 {
     QFile file(filename);
     if (!file.open(QIODevice::ReadOnly)) {
-        cd.appendError(QString::fromLatin1("Cannot open %1: %2")
-            .arg(filename, file.errorString()));
+        cd.appendError(LU::tr("Cannot open %1: %2").arg(filename, file.errorString()));
         return false;
     }
     QTextStream ts(&file);
diff --git a/tools/linguist/lupdate/qscript.g b/tools/linguist/lupdate/qscript.g
index e4c2d22..3655f2e 100644
--- a/tools/linguist/lupdate/qscript.g
+++ b/tools/linguist/lupdate/qscript.g
@@ -84,6 +84,7 @@
 /.
 #include <translator.h>
 
+#include <QtCore/QCoreApplication>
 #include <QtCore/qdebug.h>
 #include <QtCore/qnumeric.h>
 #include <QtCore/qstring.h>
@@ -99,6 +100,10 @@
 
 QT_BEGIN_NAMESPACE
 
+class LU {
+    Q_DECLARE_TR_FUNCTIONS(LUpdate)
+};
+
 static void recordMessage(
     Translator *tor, const QString &context, const QString &text, const QString &comment,
     const QString &extracomment, const QString &msgid, const TranslatorMessage::ExtraData &extra,
@@ -817,7 +822,7 @@ int QScript::Lexer::lex()
                 else {
                     setDone(Bad);
                     err = IllegalCharacter;
-                    errmsg = QLatin1String("Illegal character");
+                    errmsg = LU::tr("Illegal character");
                 }
             }
             break;
@@ -828,7 +833,7 @@ int QScript::Lexer::lex()
             } else if (current == 0 || isLineTerminator()) {
                 setDone(Bad);
                 err = UnclosedStringLiteral;
-                errmsg = QLatin1String("Unclosed string at end of line");
+                errmsg = LU::tr("Unclosed string at end of line");
             } else if (current == '\\') {
                 state = InEscapeSequence;
             } else {
@@ -854,7 +859,7 @@ int QScript::Lexer::lex()
                 } else {
                     setDone(Bad);
                     err = IllegalEscapeSequence;
-                    errmsg = QLatin1String("Illegal escape squence");
+                    errmsg = LU::tr("Illegal escape squence");
                 }
             } else if (current == 'x')
                 state = InHexEscape;
@@ -893,7 +898,7 @@ int QScript::Lexer::lex()
             } else {
                 setDone(Bad);
                 err = IllegalUnicodeEscapeSequence;
-                errmsg = QLatin1String("Illegal unicode escape sequence");
+                errmsg = LU::tr("Illegal unicode escape sequence");
             }
             break;
         case InSingleLineComment:
@@ -921,7 +926,7 @@ int QScript::Lexer::lex()
             if (current == 0) {
                 setDone(Bad);
                 err = UnclosedComment;
-                errmsg = QLatin1String("Unclosed comment at end of file");
+                errmsg = LU::tr("Unclosed comment at end of file");
             } else if (isLineTerminator()) {
                 shiftWindowsLineBreak();
                 yylineno++;
@@ -1009,7 +1014,7 @@ int QScript::Lexer::lex()
             } else {
                 setDone(Bad);
                 err = IllegalExponentIndicator;
-                errmsg = QLatin1String("Illegal syntax for exponential number");
+                errmsg = LU::tr("Illegal syntax for exponential number");
             }
             break;
         case InExponent:
@@ -1035,7 +1040,7 @@ int QScript::Lexer::lex()
          && isIdentLetter(current)) {
         state = Bad;
         err = IllegalIdentifier;
-        errmsg = QLatin1String("Identifier cannot start with numeric literal");
+        errmsg = LU::tr("Identifier cannot start with numeric literal");
     }
 
     // terminate string
@@ -1354,7 +1359,7 @@ bool QScript::Lexer::scanRegExp(RegExpBodyPrefix prefix)
 
     while (1) {
         if (isLineTerminator() || current == 0) {
-            errmsg = QLatin1String("Unterminated regular expression literal");
+            errmsg = LU::tr("Unterminated regular expression literal");
             return false;
         }
         else if (current != '/' || lastWasEscape == true)
@@ -1683,14 +1688,14 @@ case $rule_number: {
     QString name = sym(1).toString();
     if ((name == QLatin1String("qsTranslate")) || (name == QLatin1String("QT_TRANSLATE_NOOP"))) {
         if (!sourcetext.isEmpty())
-            yyMsg(identLineNo) << "//% cannot be used with " << qPrintable(name) << "(). Ignoring\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("//% cannot be used with %1(). Ignoring\n").arg(name));
         QVariantList args = sym(2).toList();
         if (args.size() < 2) {
-            yyMsg(identLineNo) << qPrintable(name) << "() requires at least two arguments.\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("%1() requires at least two arguments.\n").arg(name));
         } else {
             if ((args.at(0).type() != QVariant::String)
                 || (args.at(1).type() != QVariant::String)) {
-                yyMsg(identLineNo) << qPrintable(name) << "(): both arguments must be literal strings.\n";
+                yyMsg(identLineNo) << qPrintable(LU::tr("%1(): both arguments must be literal strings.\n").arg(name));
             } else {
                 QString context = args.at(0).toString();
                 QString text = args.at(1).toString();
@@ -1706,13 +1711,13 @@ case $rule_number: {
         extra.clear();
     } else if ((name == QLatin1String("qsTr")) || (name == QLatin1String("QT_TR_NOOP"))) {
         if (!sourcetext.isEmpty())
-            yyMsg(identLineNo) << "//% cannot be used with " << qPrintable(name) << "(). Ignoring\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("//% cannot be used with %1(). Ignoring\n").arg(name));
         QVariantList args = sym(2).toList();
         if (args.size() < 1) {
-            yyMsg(identLineNo) << qPrintable(name) << "() requires at least one argument.\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("%1() requires at least one argument.\n").arg(name));
         } else {
             if (args.at(0).type() != QVariant::String) {
-                yyMsg(identLineNo) << qPrintable(name) << "(): text to translate must be a literal string.\n";
+                yyMsg(identLineNo) << qPrintable(LU::tr("%1(): text to translate must be a literal string.\n").arg(name));
             } else {
                 QString context = QFileInfo(fileName()).baseName();
                 QString text = args.at(0).toString();
@@ -1728,13 +1733,13 @@ case $rule_number: {
         extra.clear();
     } else if ((name == QLatin1String("qsTrId")) || (name == QLatin1String("QT_TRID_NOOP"))) {
         if (!msgid.isEmpty())
-            yyMsg(identLineNo) << "//= cannot be used with " << qPrintable(name) << "(). Ignoring\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("//= cannot be used with %1(). Ignoring\n").arg(name));
         QVariantList args = sym(2).toList();
         if (args.size() < 1) {
-            yyMsg(identLineNo) << qPrintable(name) << "() requires at least one argument.\n";
+            yyMsg(identLineNo) << qPrintable(LU::tr("%1() requires at least one argument.\n").arg(name));
         } else {
             if (args.at(0).type() != QVariant::String) {
-                yyMsg(identLineNo) << qPrintable(name) << "(): identifier must be a literal string.\n";
+                yyMsg(identLineNo) << qPrintable(LU::tr("%1(): identifier must be a literal string.\n").arg(name));
             } else {
                 msgid = args.at(0).toString();
                 bool plural = (args.size() > 1);
@@ -1950,7 +1955,7 @@ Statement: DebuggerStatement ;
 /.
     case $rule_number:
     if (!sourcetext.isEmpty() || !extracomment.isEmpty() || !msgid.isEmpty() || !extra.isEmpty()) {
-        yyMsg() << "Discarding unconsumed meta data\n";
+        yyMsg() << qPrintable(LU::tr("Discarding unconsumed meta data\n"));
         sourcetext.clear();
         extracomment.clear();
         msgid.clear();
@@ -2096,6 +2101,9 @@ PropertyNameAndValueListOpt: PropertyNameAndValueList ;
                 {
                   if (first)
                     error_message += QLatin1String ("Expected ");
+                    //: Beginning of the string that contains
+                    //: comma-separated list of expected tokens
+                    error_message += LU::tr("Expected ");
                   else
                     error_message += QLatin1String (", ");
 
@@ -2149,13 +2157,13 @@ void QScriptParser::processComment(const QChar *chars, int length)
             if (isspace(c))
                 continue;
             if (c != '"') {
-                yyMsg() << "Unexpected character in meta string\n";
+                yyMsg() << qPrintable(LU::tr("Unexpected character in meta string\n"));
                 break;
             }
             forever {
                 if (p >= length) {
                   whoops:
-                    yyMsg() << "Unterminated meta string\n";
+                    yyMsg() << qPrintable(LU::tr("Unterminated meta string\n"));
                     break;
                 }
                 c = chars[p++].unicode();
@@ -2181,8 +2189,7 @@ bool loadQScript(Translator &translator, const QString &filename, ConversionData
 {
     QFile file(filename);
     if (!file.open(QIODevice::ReadOnly)) {
-        cd.appendError(QString::fromLatin1("Cannot open %1: %2")
-            .arg(filename, file.errorString()));
+        cd.appendError(LU::tr("Cannot open %1: %2").arg(filename, file.errorString()));
         return false;
     }
     QTextStream ts(&file);
diff --git a/tools/linguist/lupdate/ui.cpp b/tools/linguist/lupdate/ui.cpp
index 9e22922..797ab1f 100644
--- a/tools/linguist/lupdate/ui.cpp
+++ b/tools/linguist/lupdate/ui.cpp
@@ -43,6 +43,7 @@
 
 #include <translator.h>
 
+#include <QtCore/QCoreApplication>
 #include <QtCore/QDebug>
 #include <QtCore/QFile>
 #include <QtCore/QString>
@@ -55,6 +56,10 @@
 
 QT_BEGIN_NAMESPACE
 
+class LU {
+    Q_DECLARE_TR_FUNCTIONS(LUpdate)
+};
+
 class UiReader : public QXmlDefaultHandler
 {
 public:
@@ -152,11 +157,10 @@ bool UiReader::characters(const QString &ch)
 
 bool UiReader::fatalError(const QXmlParseException &exception)
 {
-    QString msg;
-    msg.sprintf("XML error: Parse error at line %d, column %d (%s).",
-                 exception.lineNumber(), exception.columnNumber(),
-                 exception.message().toLatin1().data());
-    m_cd.appendError(msg); 
+    QString msg = LU::tr("XML error: Parse error at line %1, column %2 (%3).")
+        .arg(exception.lineNumber()).arg(exception.columnNumber())
+        .arg(exception.message());
+    m_cd.appendError(msg);
     return false;
 }
 
@@ -181,8 +185,7 @@ bool loadUI(Translator &translator, const QString &filename, ConversionData &cd)
     cd.m_sourceFileName = filename;
     QFile file(filename);
     if (!file.open(QIODevice::ReadOnly)) {
-        cd.appendError(QString::fromLatin1("Cannot open %1: %2")
-            .arg(filename, file.errorString()));
+        cd.appendError(LU::tr("Cannot open %1: %2").arg(filename, file.errorString()));
         return false;
     }
     QXmlInputSource in(&file);
@@ -196,7 +199,7 @@ bool loadUI(Translator &translator, const QString &filename, ConversionData &cd)
     reader.setErrorHandler(&handler);
     bool result = reader.parse(in);
     if (!result)
-        cd.appendError(QLatin1String("Parse error in UI file"));
+        cd.appendError(LU::tr("Parse error in UI file"));
     reader.setContentHandler(0);
     reader.setErrorHandler(0);
     return result;