diff --git a/src/libs/utils/filesearch.cpp b/src/libs/utils/filesearch.cpp
index 109e4248f26..21d5e52daf9 100644
--- a/src/libs/utils/filesearch.cpp
+++ b/src/libs/utils/filesearch.cpp
@@ -30,6 +30,8 @@
 #include "filesearch.h"
 #include <cctype>
 
+#include <QtCore/QIODevice>
+#include <QtCore/QBuffer>
 #include <QtCore/QFile>
 #include <QtCore/QFutureInterface>
 #include <QtCore/QtConcurrentRun>
@@ -69,7 +71,8 @@ namespace {
 void runFileSearch(QFutureInterface<FileSearchResult> &future,
                    QString searchTerm,
                    QStringList files,
-                   QTextDocument::FindFlags flags)
+                   QTextDocument::FindFlags flags,
+                   QMap<QString, QString> fileToContentsMap)
 {
     future.setProgressRange(0, files.size());
     int numFilesSearched = 0;
@@ -90,6 +93,8 @@ void runFileSearch(QFutureInterface<FileSearchResult> &future,
 
     int chunkSize = qMax(100000, sa.length());
 
+    QFile file;
+    QBuffer buffer;
     foreach (QString s, files) {
         if (future.isPaused())
             future.waitForResume();
@@ -97,18 +102,25 @@ void runFileSearch(QFutureInterface<FileSearchResult> &future,
             future.setProgressValueAndText(numFilesSearched, msgCanceled(searchTerm, numMatches, numFilesSearched));
             break;
         }
-        QFile file(s);
-        if (!file.open(QIODevice::ReadOnly))
+        QIODevice *device;
+        if (fileToContentsMap.contains(s)) {
+            buffer.setData(fileToContentsMap.value(s).toLocal8Bit());
+            device = &buffer;
+        } else {
+            file.setFileName(s);
+            device = &file;
+        }
+        if (!device->open(QIODevice::ReadOnly))
             continue;
         int lineNr = 1;
         const char *startOfLastLine = NULL;
 
         bool firstChunk = true;
-        while (!file.atEnd()) {
+        while (!device->atEnd()) {
             if (!firstChunk)
-                file.seek(file.pos()-sa.length()+1);
+                device->seek(device->pos()-sa.length()+1);
 
-            const QByteArray chunk = file.read(chunkSize);
+            const QByteArray chunk = device->read(chunkSize);
             const char *chunkPtr = chunk.constData();
             startOfLastLine = chunkPtr;
             for (const char *regionPtr = chunkPtr; regionPtr < chunkPtr + chunk.length()-scMaxIndex; ++regionPtr) {
@@ -168,6 +180,7 @@ void runFileSearch(QFutureInterface<FileSearchResult> &future,
         }
         ++numFilesSearched;
         future.setProgressValueAndText(numFilesSearched, msgFound(searchTerm, numMatches, numFilesSearched, files.size()));
+        device->close();
     }
     if (!future.isCanceled())
         future.setProgressValueAndText(numFilesSearched, msgFound(searchTerm, numMatches, numFilesSearched));
@@ -176,7 +189,8 @@ void runFileSearch(QFutureInterface<FileSearchResult> &future,
 void runFileSearchRegExp(QFutureInterface<FileSearchResult> &future,
                    QString searchTerm,
                    QStringList files,
-                   QTextDocument::FindFlags flags)
+                   QTextDocument::FindFlags flags,
+                   QMap<QString, QString> fileToContentsMap)
 {
     future.setProgressRange(0, files.size());
     int numFilesSearched = 0;
@@ -186,6 +200,9 @@ void runFileSearchRegExp(QFutureInterface<FileSearchResult> &future,
     const Qt::CaseSensitivity caseSensitivity = (flags & QTextDocument::FindCaseSensitively) ? Qt::CaseSensitive : Qt::CaseInsensitive;
     const QRegExp expression(searchTerm, caseSensitivity);
 
+    QFile file;
+    QString str;
+    QTextStream stream;
     foreach (const QString &s, files) {
         if (future.isPaused())
             future.waitForResume();
@@ -193,10 +210,18 @@ void runFileSearchRegExp(QFutureInterface<FileSearchResult> &future,
             future.setProgressValueAndText(numFilesSearched, msgCanceled(searchTerm, numMatches, numFilesSearched));
             break;
         }
-        QFile file(s);
-        if (!file.open(QIODevice::ReadOnly))
-            continue;
-        QTextStream stream(&file);
+
+        bool needsToCloseFile = false;
+        if (fileToContentsMap.contains(s)) {
+            str = fileToContentsMap.value(s);
+            stream.setString(&str);
+        } else {
+            file.setFileName(s);
+            if (!file.open(QIODevice::ReadOnly))
+                continue;
+            needsToCloseFile = true;
+            stream.setDevice(&file);
+        }
         int lineNr = 1;
         QString line;
         while (!stream.atEnd()) {
@@ -211,6 +236,8 @@ void runFileSearchRegExp(QFutureInterface<FileSearchResult> &future,
         }
         ++numFilesSearched;
         future.setProgressValueAndText(numFilesSearched, msgFound(searchTerm, numMatches, numFilesSearched, files.size()));
+        if (needsToCloseFile)
+            file.close();
     }
     if (!future.isCanceled())
         future.setProgressValueAndText(numFilesSearched, msgFound(searchTerm, numMatches, numFilesSearched));
@@ -220,13 +247,15 @@ void runFileSearchRegExp(QFutureInterface<FileSearchResult> &future,
 
 
 QFuture<FileSearchResult> Core::Utils::findInFiles(const QString &searchTerm, const QStringList &files,
-    QTextDocument::FindFlags flags)
+    QTextDocument::FindFlags flags, QMap<QString, QString> fileToContentsMap)
 {
-    return QtConcurrent::run<FileSearchResult, QString, QStringList, QTextDocument::FindFlags>(runFileSearch, searchTerm, files, flags);
+    return QtConcurrent::run<FileSearchResult, QString, QStringList, QTextDocument::FindFlags, QMap<QString, QString> >
+            (runFileSearch, searchTerm, files, flags, fileToContentsMap);
 }
 
 QFuture<FileSearchResult> Core::Utils::findInFilesRegExp(const QString &searchTerm, const QStringList &files,
-    QTextDocument::FindFlags flags)
+    QTextDocument::FindFlags flags, QMap<QString, QString> fileToContentsMap)
 {
-    return QtConcurrent::run<FileSearchResult, QString, QStringList, QTextDocument::FindFlags>(runFileSearchRegExp, searchTerm, files, flags);
+    return QtConcurrent::run<FileSearchResult, QString, QStringList, QTextDocument::FindFlags, QMap<QString, QString> >
+            (runFileSearchRegExp, searchTerm, files, flags, fileToContentsMap);
 }
diff --git a/src/libs/utils/filesearch.h b/src/libs/utils/filesearch.h
index 9eb1fc21f44..9c26f6701e6 100644
--- a/src/libs/utils/filesearch.h
+++ b/src/libs/utils/filesearch.h
@@ -34,6 +34,7 @@
 
 #include <QtCore/QStringList>
 #include <QtCore/QFuture>
+#include <QtCore/QMap>
 #include <QtGui/QTextDocument>
 
 namespace Core {
@@ -55,10 +56,10 @@ public:
 };
 
 QTCREATOR_UTILS_EXPORT QFuture<FileSearchResult> findInFiles(const QString &searchTerm, const QStringList &files,
-    QTextDocument::FindFlags flags);
+    QTextDocument::FindFlags flags, QMap<QString, QString> fileToContentsMap = QMap<QString, QString>());
 
 QTCREATOR_UTILS_EXPORT QFuture<FileSearchResult> findInFilesRegExp(const QString &searchTerm, const QStringList &files,
-    QTextDocument::FindFlags flags);
+    QTextDocument::FindFlags flags, QMap<QString, QString> fileToContentsMap = QMap<QString, QString>());
 
 } // namespace Utils
 } // namespace Core
diff --git a/src/plugins/texteditor/basefilefind.cpp b/src/plugins/texteditor/basefilefind.cpp
index c43918dfd0b..881aff0f41a 100644
--- a/src/plugins/texteditor/basefilefind.cpp
+++ b/src/plugins/texteditor/basefilefind.cpp
@@ -89,9 +89,9 @@ void BaseFileFind::findAll(const QString &txt, QTextDocument::FindFlags findFlag
     m_resultWindow->clearContents();
     m_resultWindow->popup(true);
     if (m_useRegExp)
-        m_watcher.setFuture(Core::Utils::findInFilesRegExp(txt, files(), findFlags));
+        m_watcher.setFuture(Core::Utils::findInFilesRegExp(txt, files(), findFlags, ITextEditor::openedTextEditorsContents()));
     else
-        m_watcher.setFuture(Core::Utils::findInFiles(txt, files(), findFlags));
+        m_watcher.setFuture(Core::Utils::findInFiles(txt, files(), findFlags, ITextEditor::openedTextEditorsContents()));
     Core::FutureProgress *progress = 
         Core::ICore::instance()->progressManager()->addTask(m_watcher.future(),
                                                                         "Search",
diff --git a/src/plugins/texteditor/itexteditor.cpp b/src/plugins/texteditor/itexteditor.cpp
new file mode 100644
index 00000000000..6ecdddaa79a
--- /dev/null
+++ b/src/plugins/texteditor/itexteditor.cpp
@@ -0,0 +1,47 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** GNU Lesser General Public License Usage
+**
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://www.qtsoftware.com/contact.
+**
+**************************************************************************/
+
+#include "itexteditor.h"
+
+#include <coreplugin/editormanager/editormanager.h>
+
+using namespace TextEditor;
+
+QMap<QString, QString> ITextEditor::openedTextEditorsContents()
+{
+    QMap<QString, QString> workingCopy;
+    foreach (Core::IEditor *editor, Core::EditorManager::instance()->openedEditors()) {
+        ITextEditor *textEditor = qobject_cast<ITextEditor *>(editor);
+        if (!textEditor)
+            continue;
+        QString fileName = textEditor->file()->fileName();
+        workingCopy[fileName] = textEditor->contents();
+    }
+    return workingCopy;
+}
diff --git a/src/plugins/texteditor/itexteditor.h b/src/plugins/texteditor/itexteditor.h
index 330fa0f49f4..81949bb3685 100644
--- a/src/plugins/texteditor/itexteditor.h
+++ b/src/plugins/texteditor/itexteditor.h
@@ -36,6 +36,7 @@
 
 #include <QtCore/QObject>
 #include <QtCore/QList>
+#include <QtCore/QMap>
 #include <QtGui/QColor>
 #include <QtGui/QIcon>
 
@@ -118,6 +119,7 @@ public:
     virtual void setTextCodec(QTextCodec *) = 0;
     virtual QTextCodec *textCodec() const = 0;
 
+    static QMap<QString, QString> openedTextEditorsContents();
 
 signals:
     void contentsChanged();
diff --git a/src/plugins/texteditor/texteditor.pro b/src/plugins/texteditor/texteditor.pro
index 38c5861d0b4..eb0cf26b511 100644
--- a/src/plugins/texteditor/texteditor.pro
+++ b/src/plugins/texteditor/texteditor.pro
@@ -28,7 +28,8 @@ SOURCES += texteditorplugin.cpp \
     codecselector.cpp \
     findincurrentfile.cpp \
     colorscheme.cpp \
-    colorschemeedit.cpp
+    colorschemeedit.cpp \
+    itexteditor.cpp
 HEADERS += texteditorplugin.h \
     textfilewizard.h \
     plaintexteditor.h \