Index: kdevplatform/language/backgroundparser/parseprojectjob.h
===================================================================
--- kdevplatform/language/backgroundparser/parseprojectjob.h
+++ kdevplatform/language/backgroundparser/parseprojectjob.h
@@ -28,13 +28,19 @@
 class ReferencedTopDUContext;
 class IProject;
 
-///A job that parses all project-files in the given project
-///Deletes itself as soon as the project is deleted
+///A job that parses all project-files in the given project either
+///when KDevelop is configured to parse all files at project import
+///(see ProjectController:parseAllProjectSources()) or when the
+///forceAll argument is true. That forceAll argument allows to
+///trigger a full project reparse after the initial import, e.g.
+///via the project manager's context menu.
+///ParseProjectJob instances delete themselves as soon as the project
+///is deleted or when a new job is started.
 class KDEVPLATFORMLANGUAGE_EXPORT ParseProjectJob : public KJob
 {
     Q_OBJECT
 public:
-    explicit ParseProjectJob(KDevelop::IProject* project, bool forceUpdate = false );
+    explicit ParseProjectJob(KDevelop::IProject* project, bool forceUpdate = false, bool forceAll = false );
     ~ParseProjectJob() override;
     void start() override;
     bool doKill() override;
Index: kdevplatform/language/backgroundparser/parseprojectjob.cpp
===================================================================
--- kdevplatform/language/backgroundparser/parseprojectjob.cpp
+++ kdevplatform/language/backgroundparser/parseprojectjob.cpp
@@ -41,14 +41,16 @@
 class KDevelop::ParseProjectJobPrivate
 {
 public:
-    ParseProjectJobPrivate(IProject* project, bool forceUpdate)
+    ParseProjectJobPrivate(IProject* project, bool forceUpdate, bool forceAll)
         : forceUpdate(forceUpdate)
+        , forceAll(forceAll)
         , project(project)
     {
     }
 
     int updated = 0;
     bool forceUpdate;
+    bool forceAll;
     KDevelop::IProject* project;
     QSet<IndexedString> filesToParse;
 };
@@ -66,21 +68,21 @@
         ICore::self()->runController()->unregisterJob(this);
 }
 
-ParseProjectJob::ParseProjectJob(IProject* project, bool forceUpdate)
-    : d(new ParseProjectJobPrivate(project, forceUpdate))
+ParseProjectJob::ParseProjectJob(IProject* project, bool forceUpdate, bool forceAll)
+    : d(new ParseProjectJobPrivate(project, forceUpdate, forceAll))
 {
     connect(project, &IProject::destroyed, this, &ParseProjectJob::deleteNow);
 
-    if (!ICore::self()->projectController()->parseAllProjectSources()) {
+    if (forceAll || ICore::self()->projectController()->parseAllProjectSources()) {
+        d->filesToParse = project->fileSet();
+    } else {
         // In case we don't want to parse the whole project, still add all currently open files that belong to the project to the background-parser
         foreach (auto document, ICore::self()->documentController()->openDocuments()) {
             const auto path = IndexedString(document->url());
             if (project->fileSet().contains(path)) {
                 d->filesToParse.insert(path);
             }
         }
-    } else {
-        d->filesToParse = project->fileSet();
     }
 
     setCapabilities(Killable);
@@ -147,7 +149,7 @@
         }
     }
 
-    if (!ICore::self()->projectController()->parseAllProjectSources()) {
+    if (!d->forceAll && !ICore::self()->projectController()->parseAllProjectSources()) {
         return;
     }
 
Index: kdevplatform/shell/projectcontroller.cpp
===================================================================
--- kdevplatform/shell/projectcontroller.cpp
+++ kdevplatform/shell/projectcontroller.cpp
@@ -263,25 +263,7 @@
         m_closeProject->setEnabled(itemCount > 0);
     }
 
-    void openProjectConfig()
-    {
-        // if only one project loaded, this is our target
-        IProject *project = (m_projects.count() == 1) ? m_projects.at(0) : nullptr;
-
-        // otherwise base on selection
-        if (!project) {
-            ProjectItemContext* ctx = dynamic_cast<ProjectItemContext*>(ICore::self()->selectionController()->currentSelection());
-            if (ctx && ctx->items().count() == 1) {
-                project = ctx->items().at(0)->project();
-            }
-        }
-
-        if (project) {
-            q->configureProject(project);
-        }
-    }
-
-    void closeSelectedProjects()
+    QSet<IProject*> selectedProjects()
     {
         QSet<IProject*> projects;
 
@@ -297,8 +279,21 @@
                 }
             }
         }
+        return projects;
+    }
+
+    void openProjectConfig()
+    {
+        auto projects = selectedProjects();
+
+        if (projects.count() == 1) {
+            q->configureProject(*projects.constBegin());
+        }
+    }
 
-        foreach (IProject* project, projects) {
+    void closeSelectedProjects()
+    {
+        foreach (IProject* project, selectedProjects()) {
             q->closeProject(project);
         }
     }
@@ -1180,12 +1175,32 @@
 {
     Q_UNUSED(parent);
     ContextMenuExtension ext;
-    if ( ctx->type() != Context::ProjectItemContext || !static_cast<ProjectItemContext*>(ctx)->items().isEmpty() ) {
+    if ( ctx->type() != Context::ProjectItemContext) {
+        return ext;
+    }
+    if (!static_cast<ProjectItemContext*>(ctx)->items().isEmpty() ) {
+
+        QAction *action = new QAction(this);
+        connect(action, &QAction::triggered, this, [&] {
+            foreach (auto project, d->selectedProjects()) {
+                // can't use reparseProject() here because we need the forceAll argument
+                if (auto job = d->m_parseJobs.value(project)) {
+                    job->kill();
+                }
+                d->m_parseJobs[project] = new KDevelop::ParseProjectJob(project, true, true);
+                ICore::self()->runController()->registerJob(d->m_parseJobs[project]);
+            }
+        });
+
+        action->setText( i18n( "Reparse the Entire Project" ) );
+        ext.addAction(ContextMenuExtension::ProjectGroup, action);
         return ext;
     }
+
     ext.addAction(ContextMenuExtension::ProjectGroup, d->m_openProject);
     ext.addAction(ContextMenuExtension::ProjectGroup, d->m_fetchProject);
     ext.addAction(ContextMenuExtension::ProjectGroup, d->m_recentProjectsAction);
+
     return ext;
 }