4 files changed, 57 insertions, 3 deletions

diff --git a/src/plugins/cpptools/cppmodelmanager.cpp b/src/plugins/cpptools/cppmodelmanager.cpp
index 5cae6bdeaf..6a49051840 100644
--- a/src/plugins/cpptools/cppmodelmanager.cpp
+++ b/src/plugins/cpptools/cppmodelmanager.cpp
@@ -595,6 +595,8 @@ Document::Ptr CppPreprocessor::switchDocument(Document::Ptr doc)
 
 void CppTools::CppModelManagerInterface::updateModifiedSourceFiles()
 {
+    if (isIndexing())
+        return;
     const Snapshot snapshot = this->snapshot();
     QStringList sourceFiles;
 
@@ -630,7 +632,8 @@ CppTools::CppModelManagerInterface *CppTools::CppModelManagerInterface::instance
 */
 
 CppModelManager::CppModelManager(QObject *parent)
-    : CppModelManagerInterface(parent)
+    : CppModelManagerInterface(parent),
+      m_indexing(false)
 {
     m_findReferences = new CppFindReferences(this);
 
@@ -675,6 +678,11 @@ CppModelManager::CppModelManager(QObject *parent)
 
     connect(m_core->editorManager(), SIGNAL(editorAboutToClose(Core::IEditor *)),
         this, SLOT(editorAboutToClose(Core::IEditor *)));
+
+    connect(m_core->progressManager(), SIGNAL(taskStarted(QString)),
+            this, SLOT(onTaskStarted(QString)));
+    connect(m_core->progressManager(), SIGNAL(allTasksFinished(QString)),
+            this, SLOT(onAllTasksFinished(QString)));
 }
 
 CppModelManager::~CppModelManager()
@@ -871,7 +879,7 @@ QStringList CppModelManager::includesInPath(const QString &path) const
 
 QFuture<void> CppModelManager::refreshSourceFiles(const QStringList &sourceFiles)
 {
-    if (! sourceFiles.isEmpty() && qgetenv("QTCREATOR_NO_CODE_INDEXER").isNull()) {
+    if (!m_indexing && !sourceFiles.isEmpty() && qgetenv("QTCREATOR_NO_CODE_INDEXER").isNull()) {
         const QMap<QString, QString> workingCopy = buildWorkingCopyList();
 
         CppPreprocessor *preproc = new CppPreprocessor(this);
@@ -897,7 +905,7 @@ QFuture<void> CppModelManager::refreshSourceFiles(const QStringList &sourceFiles
 
         m_synchronizer.addFuture(result);
 
-        if (sourceFiles.count() > 1) {
+        if (sourceFiles.count() > 1) {            
             m_core->progressManager()->addTask(result, tr("Indexing"),
                             CppTools::Constants::TASK_INDEX,
                             Core::ProgressManager::CloseOnSuccess);
@@ -1391,4 +1399,31 @@ void CppModelManager::GC()
     protectSnapshot.unlock();
 }
 
+bool CppModelManager::isIndexing() const
+{
+    return m_indexing;
+}
+
+void CppModelManager::setIndexing(bool v)
+{
+    if (m_indexing == v)
+        return;
+    m_indexing = v;
+    if (v) {
+        emit indexingStarted();
+    } else {
+        emit indexingFinished();
+    }
+}
+
+void CppModelManager::onTaskStarted(const QString &type)
+{
+    if (type == QLatin1String(CppTools::Constants::TASK_INDEX))
+        setIndexing(true);
+}
 
+void CppModelManager::onAllTasksFinished(const QString &type)
+{
+    if (type == QLatin1String(CppTools::Constants::TASK_INDEX))
+        setIndexing(false);
+}
diff --git a/src/plugins/cpptools/cppmodelmanager.h b/src/plugins/cpptools/cppmodelmanager.h
index 4222ccab6b..ca13b44a24 100644
--- a/src/plugins/cpptools/cppmodelmanager.h
+++ b/src/plugins/cpptools/cppmodelmanager.h
@@ -111,6 +111,8 @@ public:
     void setHeaderSuffixes(const QStringList &suffixes)
     { m_headerSuffixes = suffixes; }
 
+    virtual bool isIndexing() const;
+
 Q_SIGNALS:
     void projectPathChanged(const QString &projectPath);
 
@@ -129,6 +131,8 @@ private Q_SLOTS:
     void onProjectAdded(ProjectExplorer::Project *project);
     void postEditorUpdate();
     void updateEditorSelections();
+    void onTaskStarted(const QString &type);
+    void onAllTasksFinished(const QString &type);
 
 private:
     QMap<QString, QString> buildWorkingCopyList();
@@ -175,10 +179,13 @@ private:
                       CppPreprocessor *preproc,
                       QStringList files);
 
+    void setIndexing(bool);
+
 private:
     Core::ICore *m_core;
     CPlusPlus::Snapshot m_snapshot;
 
+    bool m_indexing;
     // cache
     bool m_dirty;
     QStringList m_projectFiles;
diff --git a/src/plugins/cpptools/cppmodelmanagerinterface.h b/src/plugins/cpptools/cppmodelmanagerinterface.h
index 1976df75ea..1ec38abe30 100644
--- a/src/plugins/cpptools/cppmodelmanagerinterface.h
+++ b/src/plugins/cpptools/cppmodelmanagerinterface.h
@@ -102,6 +102,12 @@ public:
     virtual void renameUsages(CPlusPlus::Symbol *symbol) = 0;
     virtual void findUsages(CPlusPlus::Symbol *symbol) = 0;
 
+    virtual bool isIndexing() const = 0;
+
+signals:
+    void indexingStarted();
+    void indexingFinished();
+
 public Q_SLOTS:
     void updateModifiedSourceFiles();
     virtual void updateSourceFiles(const QStringList &sourceFiles) = 0;    
diff --git a/src/plugins/cpptools/cpptoolsplugin.cpp b/src/plugins/cpptools/cpptoolsplugin.cpp
index bbc894390c..d321b7c39b 100644
--- a/src/plugins/cpptools/cpptoolsplugin.cpp
+++ b/src/plugins/cpptools/cpptoolsplugin.cpp
@@ -47,6 +47,7 @@
 #include <coreplugin/actionmanager/actionmanager.h>
 #include <coreplugin/editormanager/editormanager.h>
 #include <coreplugin/progressmanager/progressmanager.h>
+#include <coreplugin/vcsmanager.h>
 #include <cppeditor/cppeditorconstants.h>
 
 #include <QtCore/QtConcurrentRun>
@@ -97,6 +98,11 @@ bool CppToolsPlugin::initialize(const QStringList &arguments, QString *error)
 
     // Objects
     m_modelManager = new CppModelManager(this);
+    Core::VCSManager *vcsManager = core->vcsManager();
+    connect(vcsManager, SIGNAL(repositoryChanged(QString)),
+            m_modelManager, SLOT(updateModifiedSourceFiles()));
+    connect(vcsManager, SIGNAL(filesChanged(QStringList)),
+            m_modelManager, SLOT(updateModifiedSourceFiles()));
     addAutoReleasedObject(m_modelManager);
 
     m_completion = new CppCodeCompletion(m_modelManager);