diff -Nur qt-x11-opensource-src-4.2.1.orig/tools/designer/src/designer/qdesigner.cpp qt-x11-opensource-src-4.2.1.chng/tools/designer/src/designer/qdesigner.cpp
--- qt-x11-opensource-src-4.2.1.orig/tools/designer/src/designer/qdesigner.cpp	2006-10-20 17:35:40.000000000 +0200
+++ qt-x11-opensource-src-4.2.1.chng/tools/designer/src/designer/qdesigner.cpp	2006-11-28 14:22:20.000000000 +0100
@@ -112,11 +112,11 @@
     QTranslator *qtTranslator = new QTranslator(this);
 
     const QString localSysName = QLocale::system().name();
-    QString  translatorFileName = QLatin1String("designer_");
+    QString  translatorFileName = QLatin1String("qt4-designer_");
     translatorFileName += localSysName;
     translator->load(translatorFileName, resourceDir);
 
-    translatorFileName = QLatin1String("qt_");
+    translatorFileName = QLatin1String("qt4_");
     translatorFileName += localSysName;
     qtTranslator->load(translatorFileName, resourceDir);
     installTranslator(translator);
diff -Nur qt-x11-opensource-src-4.2.1.orig/tools/linguist/linguist/main.cpp qt-x11-opensource-src-4.2.1.chng/tools/linguist/linguist/main.cpp
--- qt-x11-opensource-src-4.2.1.orig/tools/linguist/linguist/main.cpp	2006-10-20 17:35:26.000000000 +0200
+++ qt-x11-opensource-src-4.2.1.chng/tools/linguist/linguist/main.cpp	2006-11-28 14:21:19.000000000 +0100
@@ -83,9 +83,9 @@
     QTranslator translator;
     QTranslator qtTranslator;
     QString sysLocale = QLocale::system().name();
-    if (translator.load(QLatin1String("linguist_") + sysLocale, resourceDir)) {
+    if (translator.load(QLatin1String("qt4-linguist_") + sysLocale, resourceDir)) {
         app.installTranslator(&translator);
-        if (qtTranslator.load(QLatin1String("qt_") + sysLocale, resourceDir))
+        if (qtTranslator.load(QLatin1String("qt4_") + sysLocale, resourceDir))
             app.installTranslator(&qtTranslator);
         else
             app.removeTranslator(&translator);
--- qt-everywhere-opensource-src-4.7.0/src/corelib/kernel/qtranslator.cpp.orig	2010-09-10 11:05:25.000000000 +0200
+++ qt-everywhere-opensource-src-4.7.0/src/corelib/kernel/qtranslator.cpp	2010-09-21 21:36:42.645202096 +0200
@@ -55,6 +55,7 @@
 #include "qtranslator_p.h"
 #include "qlocale.h"
+#include <qlibraryinfo.h>
 #include "qresource.h"
 
 #if defined(Q_OS_UNIX) && !defined(Q_OS_SYMBIAN) && !defined(Q_OS_INTEGRITY)
 #define QT_USE_MMAP
@@ -445,49 +445,71 @@
     QString delims;
     delims = search_delimiters.isNull() ? QString::fromLatin1("_.") : search_delimiters;
 
-    for (;;) {
-        QFileInfo fi;
+    if (directory == QLibraryInfo::location(QLibraryInfo::TranslationsPath)) {
+	    QString locale;
+	    int idelim = 0, leftmost;
+
+	    for (;;) {
+		    leftmost = filename.size();
+		    for (int i = 0; i < (int)delims.length(); i++) {
+			    int k = filename.indexOf(delims[i], idelim);
+			    if ((k > 0)&&(k < leftmost))
+				    leftmost = k;
+		    }
+
+		    if (leftmost == filename.size())
+			    return false;
+
+		    idelim = leftmost + 1;
+		    fname = filename.left(leftmost);
+		    locale = filename.mid(leftmost+1);
+
+		    while (!locale.isEmpty()) {
+			    QFileInfo fi;
+			    realname = prefix + locale + QString::fromLatin1("/LC_MESSAGES/") +  fname + QString::fromLatin1(".qm");
+
+			    fi.setFile(realname);
+			    if (fi.isReadable())
+				    break;
+
+			    int rightmost = 0;
+			    for (int i = 0; i < (int)delims.length(); i++) {
+				    int k = locale.lastIndexOf(delims[i]);
+				    if (k > rightmost)
+					    rightmost = k;
+			    }
+			    locale.truncate(rightmost);
+		    }
+		    if (!locale.isEmpty())
+			    break;
+	    }
+    } else {
+	    for (;;) {
+		    QFileInfo fi;
+
+		    realname = prefix + fname + (suffix.isNull() ? QString::fromLatin1(".qm") : suffix);
+		    fi.setFile(realname);
+		    if (fi.isReadable())
+			    break;
+
+		    realname = prefix + fname;
+		    fi.setFile(realname);
+		    if (fi.isReadable())
+			    break;
+
+		    int rightmost = 0;
+		    for (int i = 0; i < (int)delims.length(); i++) {
+			    int k = fname.lastIndexOf(delims[i]);
+			    if (k > rightmost)
+				    rightmost = k;
+		    }
+
+		    // no truncations? fail
+		    if (rightmost == 0)
+			    return false;
 
-#ifdef Q_OS_SYMBIAN
-        //search for translations on other drives, e.g. Qt may be in Z, while app is in C
-        //note this uses symbian search rules, i.e. y:->a:, followed by z:
-        TFindFile finder(qt_s60GetRFs());
-        QString fname2 = fname + (suffix.isNull() ? QString::fromLatin1(".qm") : suffix);
-        TInt err = finder.FindByDir(
-            qt_QString2TPtrC(fname2),
-            qt_QString2TPtrC(nativePrefix));
-        if (err != KErrNone)
-            err = finder.FindByDir(qt_QString2TPtrC(fname), qt_QString2TPtrC(nativePrefix));
-        if (err == KErrNone) {
-            fi.setFile(qt_TDesC2QString(finder.File()));
-            realname = fi.canonicalFilePath();
-            if (fi.isReadable() && fi.isFile())
-                break;
-        }
-#endif
-
-        realname = prefix + fname + (suffix.isNull() ? QString::fromLatin1(".qm") : suffix);
-        fi.setFile(realname);
-        if (fi.isReadable() && fi.isFile())
-            break;
-
-        realname = prefix + fname;
-        fi.setFile(realname);
-        if (fi.isReadable() && fi.isFile())
-            break;
-
-        int rightmost = 0;
-        for (int i = 0; i < (int)delims.length(); i++) {
-            int k = fname.lastIndexOf(delims[i]);
-            if (k > rightmost)
-                rightmost = k;
-        }
-
-        // no truncations? fail
-        if (rightmost == 0)
-            return false;
-
-        fname.truncate(rightmost);
+		    fname.truncate(rightmost);
+	    }
     }
 
     // realname is now the fully qualified name of a readable file.