some more ICore related cleanup

src/plugins/coreplugin/filemanager.cpp

@@ -85,18 +85,17 @@ using namespace Core::Internal;
 static const char *settingsGroup = "RecentFiles";
 static const char *filesKey = "Files";
 
-FileManager::FileManager(Core::ICore *core, MainWindow *mw) :
-    QObject(mw),
-    m_core(core),
+FileManager::FileManager(MainWindow *mw)
+  : QObject(mw),
     m_mainWindow(mw),
     m_fileWatcher(new QFileSystemWatcher(this)),
     m_blockActivated(false)
 {
-    connect(m_fileWatcher, SIGNAL(fileChanged(const QString&)),
-        this, SLOT(changedFile(const QString&)));
+    connect(m_fileWatcher, SIGNAL(fileChanged(QString)),
+        this, SLOT(changedFile(QString)));
     connect(m_mainWindow, SIGNAL(windowActivated()),
         this, SLOT(mainWindowActivated()));
-    connect(m_core, SIGNAL(contextChanged(Core::IContext*)),
+    connect(Core::ICore::instance(), SIGNAL(contextChanged(Core::IContext*)),
         this, SLOT(syncWithEditor(Core::IContext*)));
 
     QSettings *s = m_mainWindow->settings();
@@ -440,7 +439,7 @@ QString FileManager::getSaveAsFileName(IFile *file)
     }
     QString filterString;
     QString preferredSuffix;
-    if (const MimeType mt = m_core->mimeDatabase()->findByFile(fi)) {
+    if (const MimeType mt = Core::ICore::instance()->mimeDatabase()->findByFile(fi)) {
         filterString = mt.filterString();
         preferredSuffix = mt.preferredSuffix();
     }
@@ -510,7 +509,7 @@ void FileManager::syncWithEditor(Core::IContext *context)
     if (!context)
         return;
 
-    Core::IEditor *editor = m_core->editorManager()->currentEditor();
+    Core::IEditor *editor = Core::ICore::instance()->editorManager()->currentEditor();
     if (editor && (editor->widget() == context->widget()))
         setCurrentFile(editor->file()->fileName());
 }

src/plugins/coreplugin/filemanager.h

@@ -69,7 +69,7 @@ class CORE_EXPORT FileManager : public QObject
     };
 
 public:
-    FileManager(Core::ICore *core, Internal::MainWindow *ew);
+    explicit FileManager(Internal::MainWindow *ew);
 
     // file pool to monitor
     bool addFiles(const QList<IFile *> &files);
@@ -99,10 +99,9 @@ public:
     QString getSaveAsFileName(IFile *file);
 
     QList<IFile *> saveModifiedFilesSilently(const QList<IFile *> &files);
-    QList<IFile *> saveModifiedFiles(
-                                    const QList<IFile *> &files,
-                                    bool *cancelled = 0,
-                                    const QString &message = QString());
+    QList<IFile *> saveModifiedFiles(const QList<IFile *> &files,
+                                     bool *cancelled = 0,
+                                     const QString &message = QString());
 
 signals:
     void currentFileChanged(const QString &filePath);
@@ -130,7 +129,6 @@ private:
 
     QString m_currentFile;
 
-    Core::ICore *m_core;
     Internal::MainWindow *m_mainWindow;
     QFileSystemWatcher *m_fileWatcher;
     QList<QPointer<IFile> > m_changedFiles;

src/plugins/coreplugin/mainwindow.cpp

@@ -118,7 +118,7 @@ MainWindow::MainWindow() :
     m_printer(0),
     m_actionManager(new ActionManagerPrivate(this, m_uniqueIDManager)),
     m_editorManager(0),
-    m_fileManager(new FileManager(m_coreImpl, this)),
+    m_fileManager(new FileManager(this)),
     m_progressManager(new ProgressManagerPrivate()),
     m_scriptManager(new ScriptManagerPrivate(this, m_coreImpl)),
     m_variableManager(new VariableManager(this)),
@@ -217,9 +217,8 @@ void MainWindow::toggleNavigation()
 
 void MainWindow::setSuppressNavigationWidget(bool suppress)
 {
-    if (NavigationWidgetPlaceHolder::current()) {
+    if (NavigationWidgetPlaceHolder::current())
         m_navigationWidget->setSuppressed(suppress);
-    }
 }
 
 MainWindow::~MainWindow()
@@ -319,7 +318,7 @@ void MainWindow::extensionsInitialized()
     m_viewManager->extensionsInitalized();
 
     m_messageManager->init(m_pluginManager);
-    m_outputPane->init(m_coreImpl, m_pluginManager);
+    m_outputPane->init(m_pluginManager);
 
     m_actionManager->initialize();
     readSettings();

src/plugins/coreplugin/outputpane.cpp

@@ -156,7 +156,6 @@ OutputPane::OutputPane(const QList<int> &context, QWidget *parent) :
     m_closeButton(new QToolButton),
     m_closeAction(0),
     m_pluginManager(0),
-    m_core(0),
     m_lastIndex(-1),
     m_outputWidgetPane(new QStackedWidget),
     m_opToolBarWidgets(new QStackedWidget)
@@ -206,12 +205,11 @@ QWidget *OutputPane::buttonsWidget()
     return m_buttonsWidget;
 }
 
-void OutputPane::init(ICore *core, ExtensionSystem::PluginManager *pm)
+void OutputPane::init(ExtensionSystem::PluginManager *pm)
 {
     m_pluginManager = pm;
-    m_core = core;
 
-    ActionManager *am = m_core->actionManager();
+    ActionManager *am = Core::ICore::instance()->actionManager();
     ActionContainer *mwindow = am->actionContainer(Constants::M_WINDOW);
 
     // Window->Output Panes

src/plugins/coreplugin/outputpane.h

@@ -51,7 +51,6 @@ namespace ExtensionSystem { class PluginManager; }
 
 namespace Core {
 
-class ICore;
 class IMode;
 class IOutputPane;
 
@@ -89,7 +88,7 @@ class OutputPane
 public:
     OutputPane(const QList<int> &context, QWidget *parent = 0);
     ~OutputPane();
-    void init(Core::ICore *core, ExtensionSystem::PluginManager *pm);
+    void init(ExtensionSystem::PluginManager *pm);
     static OutputPane *instance();
     const QList<int> &context() const { return m_context; }
     void setCloseable(bool b);
@@ -123,7 +122,6 @@ private:
     QAction *m_closeAction;
 
     ExtensionSystem::PluginManager *m_pluginManager;
-    Core::ICore *m_core;
 
     QMap<int, Core::IOutputPane*> m_pageMap;
     int m_lastIndex;

src/plugins/designer/formeditorfactory.cpp

@@ -46,11 +46,10 @@
 using namespace Designer::Internal;
 using namespace Designer::Constants;
 
-FormEditorFactory::FormEditorFactory(Core::ICore *core) :
-    Core::IEditorFactory(core),
+FormEditorFactory::FormEditorFactory()
+  : Core::IEditorFactory(Core::ICore::instance()),
     m_kind(QLatin1String(C_FORMEDITOR)),
-    m_mimeTypes(QLatin1String(FORM_MIMETYPE)),
-    m_core(core)
+    m_mimeTypes(QLatin1String(FORM_MIMETYPE))
 {
     Core::FileIconProvider *iconProvider = Core::FileIconProvider::instance();
     iconProvider->registerIconForSuffix(QIcon(":/formeditor/images/qt_ui.png"),
@@ -64,7 +63,7 @@ QString FormEditorFactory::kind() const
 
 Core::IFile *FormEditorFactory::open(const QString &fileName)
 {
-    Core::IEditor *iface = m_core->editorManager()->openEditor(fileName, kind());
+    Core::IEditor *iface = Core::ICore::instance()->editorManager()->openEditor(fileName, kind());
     return iface ? iface->file() : 0;
 }
 

src/plugins/designer/formeditorfactory.h

@@ -39,7 +39,6 @@
 #include <QtCore/QStringList>
 
 namespace Core {
-class ICore;
 class IEditor;
 class IFile;
 }
@@ -52,10 +51,11 @@ class FormEditorFactory : public Core::IEditorFactory
     Q_OBJECT
 
 public:
-    FormEditorFactory(Core::ICore *core);
+    FormEditorFactory();
 
     virtual QStringList mimeTypes() const;
-    //EditorFactory
+
+    // IEditorFactory
     virtual QString kind() const;
     Core::IFile *open(const QString &fileName);
     Core::IEditor *createEditor(QWidget *parent);
@@ -63,7 +63,6 @@ public:
 private:
     const QString m_kind;
     const QStringList m_mimeTypes;
-    Core::ICore *m_core;
 };
 
 } // namespace Internal

src/plugins/designer/formeditorplugin.cpp

@@ -104,7 +104,7 @@ bool FormEditorPlugin::initialize(const QStringList &arguments, QString *error)
     const int uid = core->uniqueIDManager()->uniqueIdentifier(QLatin1String(C_FORMEDITOR));
     const QList<int> context = QList<int>() << uid;
 
-    m_factory = new FormEditorFactory(core);
+    m_factory = new FormEditorFactory;
     addObject(m_factory);
 
     // Make sure settings pages and action shortcuts are registered

src/plugins/designer/formeditorw.cpp

@@ -561,8 +561,9 @@ FormWindowEditor *FormEditorW::createFormWindowEditor(QWidget* parentWidget)
     QDesignerFormWindowInterface *form = m_fwm->createFormWindow(0);
     connect(form, SIGNAL(toolChanged(int)), this, SLOT(toolChanged(int)));
     qdesigner_internal::FormWindowBase::setupDefaultAction(form);
-    FormWindowEditor *fww = new FormWindowEditor(m_core, m_context, form, parentWidget);
-    // Store a pointer to all form windows so we can unselect all other formwindows except the active one.
+    FormWindowEditor *fww = new FormWindowEditor(m_context, form, parentWidget);
+    // Store a pointer to all form windows so we can unselect
+    // all other formwindows except the active one.
     m_formWindows.append(fww);
     connect(fww, SIGNAL(destroyed()), this, SLOT(editorDestroyed()));
     return fww;
@@ -604,7 +605,8 @@ void FormEditorW::currentEditorChanged(Core::IEditor *editor)
 void FormEditorW::activeFormWindowChanged(QDesignerFormWindowInterface *afw)
 {
     if (debugFormEditor)
-        qDebug() << "FormEditorW::activeFormWindowChanged" << afw << " of " << m_fwm->formWindowCount() << m_formWindows;
+        qDebug() << "FormEditorW::activeFormWindowChanged" << afw
+            << " of " << m_fwm->formWindowCount() << m_formWindows;
 
     m_fwm->closeAllPreviews();
 

src/plugins/designer/formwindoweditor.cpp

@@ -96,14 +96,13 @@ void QrcFilesVisitor::visitFolderNode(FolderNode *folderNode)
 }
 
 
-FormWindowEditor::FormWindowEditor(Core::ICore *core,
-                                   const QList<int> &context,
+FormWindowEditor::FormWindowEditor(const QList<int> &context,
                                    QDesignerFormWindowInterface *form,
-                                   QObject *parent) :
-    Core::IEditor(parent),
+                                   QObject *parent)
+  : Core::IEditor(parent),
     m_context(context),
     m_formWindow(form),
-    m_file(new FormWindowFile(core, form, this)),
+    m_file(new FormWindowFile(form, this)),
     m_host(new FormWindowHost(form)),
     m_editorWidget(new EditorWidget(m_host)),
     m_toolBar(0),

src/plugins/designer/formwindoweditor.h

@@ -45,10 +45,6 @@ class QDesignerFormWindowManagerInterface;
 class QFile;
 QT_END_NAMESPACE
 
-namespace Core {
-class ICore;
-}
-
 namespace ProjectExplorer {
 class SessionNode;
 class NodesWatcher;
@@ -60,6 +56,7 @@ namespace Internal {
 class FormWindowFile;
 class FormWindowHost;
 class EditorWidget;
+
 // Master class maintaining a form window editor,
 // containing file and widget host
 
@@ -68,8 +65,7 @@ class FormWindowEditor : public Core::IEditor
     Q_OBJECT
 
 public:
-    FormWindowEditor(Core::ICore *core,
-                     const QList<int> &context,
+    FormWindowEditor(const QList<int> &context,
                      QDesignerFormWindowInterface *form,
                      QObject *parent = 0);
     ~FormWindowEditor();
@@ -85,7 +81,7 @@ public:
     void setDisplayName(const QString &title);
     QToolBar *toolBar();
     QByteArray saveState() const;
-    bool restoreState(const QByteArray &/*state*/);
+    bool restoreState(const QByteArray &state);
 
     // ContextInterface
     QList<int> context() const;

src/plugins/designer/formwindowfile.cpp

@@ -56,17 +56,10 @@ using namespace SharedTools;
 enum { debugFormWindowFile = 0 };
 
 
-FormWindowFile::FormWindowFile(Core::ICore *core,
-                               QDesignerFormWindowInterface *form,
-                               QObject *parent) :
-    Core::IFile(parent),
+FormWindowFile::FormWindowFile(QDesignerFormWindowInterface *form, QObject *parent)
+  : Core::IFile(parent),
     m_mimeType(QLatin1String(FORM_MIMETYPE)),
-    m_formWindow(form),
-    m_core(core)
-{
-}
-
-FormWindowFile::~FormWindowFile()
+    m_formWindow(form)
 {
 }
 
@@ -141,7 +134,7 @@ void FormWindowFile::modified(Core::IFile::ReloadBehavior *behavior)
         break;
     }
 
-    switch (Core::Utils::reloadPrompt(m_fileName, m_core->mainWindow())) {
+    switch (Core::Utils::reloadPrompt(m_fileName, Core::ICore::instance()->mainWindow())) {
     case Core::Utils::ReloadCurrent:
         emit reload(m_fileName);
         break;

src/plugins/designer/formwindowfile.h

@@ -41,31 +41,22 @@
 
 QT_BEGIN_NAMESPACE
 class QDesignerFormWindowInterface;
-class QDesignerFormWindowManagerInterface;
 class QFile;
 QT_END_NAMESPACE
 
-namespace Core {
-class ICore;
-}
-
 namespace Designer {
 namespace Internal {
 
 class FormWindowSelection;
 
-class FormWindowFile
-    : public Core::IFile
+class FormWindowFile : public Core::IFile
 {
     Q_OBJECT
 
 public:
-    FormWindowFile(Core::ICore *core,
-                   QDesignerFormWindowInterface *form,
-                   QObject *parent = 0);
-    ~FormWindowFile();
+    FormWindowFile(QDesignerFormWindowInterface *form, QObject *parent = 0);
 
-    //IFile
+    // IFile
     bool save(const QString &fileName = QString());
     QString fileName() const;
     bool isModified() const;
@@ -97,7 +88,6 @@ private:
     QString m_suggestedName;
 
     QDesignerFormWindowInterface *m_formWindow;
-    Core::ICore *m_core;
 };
 
 } // namespace Internal

src/plugins/perforce/perforceplugin.cpp

@@ -58,7 +58,7 @@
 #include <vcsbase/basevcssubmiteditorfactory.h>
 #include <vcsbase/vcsbaseeditor.h>
 
-#include <QtCore/qplugin.h>
+#include <QtCore/QtPlugin>
 #include <QtCore/QDebug>
 #include <QtCore/QDir>
 #include <QtCore/QFileInfo>

src/plugins/perforce/workbenchclientuser.cpp

@@ -95,7 +95,7 @@ QString PromptDialog::input() const
 WorkbenchClientUser::WorkbenchClientUser(PerforceOutputWindow *out, PerforcePlugin *plugin)  :
     QObject(out),
     m_plugin(plugin),
-    m_coreIFace(PerforcePlugin::coreInstance()),
+    m_core(Core::ICore::instance()),
     m_currentEditorIface(0),
     m_userCancelled(false),
     m_mode(Submit),
@@ -103,7 +103,7 @@ WorkbenchClientUser::WorkbenchClientUser(PerforceOutputWindow *out, PerforcePlug
     m_skipNextMsg(false),
     m_eventLoop(new QEventLoop(this))
 {
-    connect(m_coreIFace, SIGNAL(coreAboutToClose()),
+    connect(m_core, SIGNAL(coreAboutToClose()),
         this, SLOT(cancelP4Command()));
 }
 
@@ -147,13 +147,13 @@ void WorkbenchClientUser::displayErrorMsg(const QString &msg)
     const QString title = tr("Perforce Error");
     switch (m_mode) {
     case Submit: {
-        QMessageBox msgBox(QMessageBox::Critical, title,  msg, QMessageBox::Ok, m_coreIFace->mainWindow());
+        QMessageBox msgBox(QMessageBox::Critical, title,  msg, QMessageBox::Ok, m_core->mainWindow());
         msgBox.setDetailedText(m_msg);
         msgBox.exec();
     }
         break;
     default:
-        QMessageBox::critical(m_coreIFace->mainWindow(), title, msg);
+        QMessageBox::critical(m_core->mainWindow(), title, msg);
         break;
     }
     m_errMsg.clear();
@@ -182,7 +182,7 @@ bool WorkbenchClientUser::editorAboutToClose(Core::IEditor *editor)
     if (editor && editor == m_currentEditorIface) {
         if (m_mode == WorkbenchClientUser::Submit) {
             const QMessageBox::StandardButton answer =
-                QMessageBox::question(m_coreIFace->mainWindow(),
+                QMessageBox::question(m_core->mainWindow(),
                                       tr("Closing p4 Editor"),
                                       tr("Do you want to submit this change list?"),
                                       QMessageBox::Yes|QMessageBox::No|QMessageBox::Cancel, QMessageBox::Yes);
@@ -190,9 +190,9 @@ bool WorkbenchClientUser::editorAboutToClose(Core::IEditor *editor)
                 return false;
             if (answer == QMessageBox::No)
                 m_userCancelled = true;
-            m_coreIFace->fileManager()->blockFileChange(m_currentEditorIface->file());
+            m_core->fileManager()->blockFileChange(m_currentEditorIface->file());
             m_currentEditorIface->file()->save();
-            m_coreIFace->fileManager()->unblockFileChange(m_currentEditorIface->file());
+            m_core->fileManager()->unblockFileChange(m_currentEditorIface->file());
         }
         m_eventLoop->quit();
         m_currentEditorIface = 0;
@@ -228,7 +228,7 @@ void WorkbenchClientUser::Diff(FileSys *f1, FileSys *f2, int, char *, Error *err
     delete file2;
 
     QString title = QString("diff %1").arg(f1->Name());
-    m_currentEditorIface = m_coreIFace->editorManager()->newFile("Perforce Editor", &title, tmp.readAll());
+    m_currentEditorIface = m_core->editorManager()->newFile("Perforce Editor", &title, tmp.readAll());
     if (!m_currentEditorIface) {
         err->Set(E_FAILED, "p4 data could not be opened!");
         return;
@@ -246,8 +246,8 @@ void WorkbenchClientUser::Edit(FileSys *f, Error *err)
         m_currentEditorIface = m_plugin->openPerforceSubmitEditor(fileName, QStringList());
     }
     else {
-        m_currentEditorIface = m_coreIFace->editorManager()->openEditor(fileName);
-        m_coreIFace->editorManager()->ensureEditorManagerVisible();
+        m_currentEditorIface = m_core->editorManager()->openEditor(fileName);
+        m_core->editorManager()->ensureEditorManagerVisible();
     }
     if (!m_currentEditorIface) {
         err->Set(E_FAILED, "p4 data could not be opened!");
@@ -265,7 +265,7 @@ void WorkbenchClientUser::Prompt(const StrPtr &msg, StrBuf &answer, int , Error
         err->Set(E_FATAL, "");
         return;
     }
-    PromptDialog dia(msg.Text(), m_msg, qobject_cast<QWidget*>(m_coreIFace));
+    PromptDialog dia(msg.Text(), m_msg, qobject_cast<QWidget*>(m_core));
     dia.exec();
     answer = qstrdup(dia.input().toLatin1().constData());
     if (m_mode == WorkbenchClientUser::Resolve) {
@@ -282,5 +282,5 @@ void WorkbenchClientUser::Prompt(const StrPtr &msg, StrBuf &answer, int , Error
 
 void WorkbenchClientUser::ErrorPause(char *msg, Error *)
 {
-    QMessageBox::warning(m_coreIFace->mainWindow(), tr("Perforce Error"), QString::fromUtf8(msg));
+    QMessageBox::warning(m_core->mainWindow(), tr("Perforce Error"), QString::fromUtf8(msg));
 }

src/plugins/perforce/workbenchclientuser.h

@@ -61,8 +61,7 @@ class PerforcePlugin;
 class PromptDialog : public QDialog
 {
 public:
-    PromptDialog(const QString &choice, const QString &text,
-        QWidget *parent = 0);
+    PromptDialog(const QString &choice, const QString &text, QWidget *parent = 0);
     QString input() const;
 
 private:
@@ -96,7 +95,7 @@ private:
     void displayErrorMsg(const QString &msg);
 
     PerforcePlugin *m_plugin;
-    Core::ICore *m_coreIFace;
+    Core::ICore *m_core;
     Core::IEditor *m_currentEditorIface;
     bool m_userCancelled;
     Mode m_mode;

src/plugins/projectexplorer/foldernavigationwidget.cpp

@@ -61,7 +61,7 @@ class FirstRowFilter : public QSortFilterProxyModel
 public:
     FirstRowFilter(QObject *parent = 0) : QSortFilterProxyModel(parent) {}
 protected:
-    bool filterAcceptsRow (int source_row, const QModelIndex & ) const {
+    bool filterAcceptsRow(int source_row, const QModelIndex &) const {
         return source_row != 0;
     }
 };
@@ -74,15 +74,14 @@ protected:
 
   Shows a file system folder
   */
-FolderNavigationWidget::FolderNavigationWidget(Core::ICore *core, QWidget *parent)
-        : QWidget(parent),
-          m_core(core),
-          m_explorer(ProjectExplorerPlugin::instance()),
-          m_view(new QListView(this)),
-          m_dirModel(new QDirModel(this)),
-          m_filter(new FirstRowFilter(this)),
-          m_title(new QLabel(this)),
-          m_autoSync(false)
+FolderNavigationWidget::FolderNavigationWidget(QWidget *parent)
+    : QWidget(parent),
+      m_explorer(ProjectExplorerPlugin::instance()),
+      m_view(new QListView(this)),
+      m_dirModel(new QDirModel(this)),
+      m_filter(new FirstRowFilter(this)),
+      m_title(new QLabel(this)),
+      m_autoSync(false)
 {
     m_dirModel->setFilter(QDir::Dirs | QDir::Files | QDir::Drives | QDir::Readable | QDir::Writable
                           | QDir::Executable | QDir::Hidden);
@@ -124,14 +123,14 @@ void FolderNavigationWidget::setAutoSynchronization(bool sync)
 
     m_autoSync = sync;
 
-    Core::FileManager *fileManager = m_core->fileManager();
+    Core::FileManager *fileManager = Core::ICore::instance()->fileManager();
     if (m_autoSync) {
-        connect(fileManager, SIGNAL(currentFileChanged(const QString&)),
-                this, SLOT(setCurrentFile(const QString&)));
+        connect(fileManager, SIGNAL(currentFileChanged(QString)),
+                this, SLOT(setCurrentFile(QString)));
         setCurrentFile(fileManager->currentFile());
     } else {
-        disconnect(fileManager, SIGNAL(currentFileChanged(const QString&)),
-                this, SLOT(setCurrentFile(const QString&)));
+        disconnect(fileManager, SIGNAL(currentFileChanged(QString)),
+                this, SLOT(setCurrentFile(QString)));
     }
 }
 
@@ -171,8 +170,9 @@ void FolderNavigationWidget::openItem(const QModelIndex &index)
             setCurrentTitle(QDir(m_dirModel->filePath(srcIndex)));
         } else {
             const QString filePath = m_dirModel->filePath(srcIndex);
-            m_core->editorManager()->openEditor(filePath);
-            m_core->editorManager()->ensureEditorManagerVisible();
+            Core::EditorManager *editorManager = Core::ICore::instance()->editorManager();
+            editorManager->openEditor(filePath);
+            editorManager->ensureEditorManagerVisible();
         }
     }
 }
@@ -183,8 +183,7 @@ void FolderNavigationWidget::setCurrentTitle(const QDir &dir)
     m_title->setToolTip(dir.absolutePath());
 }
 
-FolderNavigationWidgetFactory::FolderNavigationWidgetFactory(Core::ICore *core)
-    : m_core(core)
+FolderNavigationWidgetFactory::FolderNavigationWidgetFactory()
 {
 }
 
@@ -205,7 +204,7 @@ QKeySequence FolderNavigationWidgetFactory::activationSequence()
 Core::NavigationView FolderNavigationWidgetFactory::createWidget()
 {
     Core::NavigationView n;
-    FolderNavigationWidget *ptw = new FolderNavigationWidget(m_core);
+    FolderNavigationWidget *ptw = new FolderNavigationWidget;
     n.widget = ptw;
     QToolButton *toggleSync = new QToolButton;
     toggleSync->setProperty("type", "dockbutton");

src/plugins/projectexplorer/foldernavigationwidget.h

@@ -36,15 +36,11 @@
 
 #include <coreplugin/inavigationwidgetfactory.h>
 
-#include <QtGui/QWidget>
-#include <QtGui/QListView>
 #include <QtGui/QDirModel>
 #include <QtGui/QLabel>
+#include <QtGui/QListView>
 #include <QtGui/QSortFilterProxyModel>
-
-namespace Core {
-class ICore;
-}
+#include <QtGui/QWidget>
 
 namespace ProjectExplorer {
 
@@ -54,10 +50,11 @@ class Node;
 
 namespace Internal {
 
-class FolderNavigationWidget : public QWidget {
+class FolderNavigationWidget : public QWidget
+{
     Q_OBJECT
 public:
-    FolderNavigationWidget(Core::ICore *core, QWidget *parent = 0);
+    FolderNavigationWidget(QWidget *parent = 0);
 
     bool autoSynchronization() const;