core: remove usages of Core::ICore::instance()->modeManager()

The function is still there but should be remove in my opinion.

Change-Id: I739fe942e74f459faccb80b5bcb8a5721c6bb9bf
Reviewed-on: http://codereview.qt.nokia.com/4200

Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/coreplugin/designmode.cpp

@@ -191,7 +191,6 @@ void DesignMode::currentEditorChanged(Core::IEditor *editor)
         return;
 
     bool mimeEditorAvailable = false;
-    Core::ICore *core = Core::ICore::instance();
 
     if (editor && editor->file()) {
         const QString mimeType = editor->file()->mimeType();
@@ -216,8 +215,8 @@ void DesignMode::currentEditorChanged(Core::IEditor *editor)
 
     if (!mimeEditorAvailable) {
         setActiveContext(Context());
-        if (core->modeManager()->currentMode() == this)
-            core->modeManager()->activateMode(Core::Constants::MODE_EDIT);
+        if (ModeManager::instance()->currentMode() == this)
+            ModeManager::instance()->activateMode(Core::Constants::MODE_EDIT);
         setEnabled(false);
         d->m_currentEditor = QWeakPointer<Core::IEditor>();
         emit actionsUpdated(d->m_currentEditor.data());

src/plugins/coreplugin/editormanager/editormanager.cpp

@@ -1384,7 +1384,7 @@ void EditorManager::switchToPreferedMode()
     if (preferedMode.isEmpty())
         preferedMode = Constants::MODE_EDIT_TYPE;
 
-    m_d->m_core->modeManager()->activateModeType(preferedMode);
+    ModeManager::instance()->activateModeType(preferedMode);
 }
 
 IEditor *EditorManager::openEditorWithContents(const QString &editorId,

src/plugins/coreplugin/modemanager.cpp

@@ -60,6 +60,15 @@
 
 namespace Core {
 
+/*!
+    \class Core::ModeManager
+
+    The mode manager handles everything related to the instances of IMode
+    that were added to the plugin manager's object pool as well as their
+    buttons and the tool bar with the round buttons in the lower left
+    corner of Qt Creator.
+*/
+
 struct ModeManagerPrivate
 {
     explicit ModeManagerPrivate(Internal::MainWindow *mainWindow,

src/plugins/coreplugin/outputpanemanager.cpp

@@ -444,7 +444,7 @@ void OutputPaneManager::showPage(int idx, bool focus)
         if (!OutputPanePlaceHolder::getCurrent()) {
             // In this mode we don't have a placeholder
             // switch to the output mode and switch the page
-            ICore::instance()->modeManager()->activateMode(Constants::MODE_EDIT);
+            ModeManager::instance()->activateMode(Constants::MODE_EDIT);
         }
         if (OutputPanePlaceHolder::getCurrent()) {
             // make the page visible

src/plugins/designer/formeditorfactory.cpp

@@ -98,7 +98,7 @@ QStringList FormEditorFactory::mimeTypes() const
 
 void FormEditorFactory::designerModeClicked()
 {
-    Core::ICore::instance()->modeManager()->activateMode(QLatin1String(Core::Constants::MODE_DESIGN));
+    Core::ModeManager::instance()->activateMode(QLatin1String(Core::Constants::MODE_DESIGN));
 }
 
 } // namespace Internal

src/plugins/help/helpplugin.cpp

@@ -112,14 +112,14 @@ const char * const SB_OPENPAGES = "OpenPages";
 #   define DOCPATH "/../share/doc/qtcreator/"
 #endif
 
-namespace {
-    QToolButton* toolButton(QAction *action)
-    {
-        QToolButton *button = new QToolButton;
-        button->setDefaultAction(action);
-        button->setPopupMode(QToolButton::DelayedPopup);
-        return button;
-    }
+using namespace Core;
+
+static QToolButton *toolButton(QAction *action)
+{
+    QToolButton *button = new QToolButton;
+    button->setDefaultAction(action);
+    button->setPopupMode(QToolButton::DelayedPopup);
+    return button;
 }
 
 HelpPlugin::HelpPlugin()
@@ -361,7 +361,7 @@ bool HelpPlugin::initialize(const QStringList &arguments, QString *error)
         SLOT(switchToHelpMode(QUrl)));
 
     QDesktopServices::setUrlHandler("qthelp", this, "handleHelpRequest");
-    connect(m_core->modeManager(), SIGNAL(currentModeChanged(Core::IMode*,
+    connect(Core::ModeManager::instance(), SIGNAL(currentModeChanged(Core::IMode*,
         Core::IMode*)), this, SLOT(modeChanged(Core::IMode*, Core::IMode*)));
 
     m_externalWindow = new ExternalHelpWindow;
@@ -665,7 +665,7 @@ void HelpPlugin::resetRightPaneScale()
 void HelpPlugin::activateHelpMode()
 {
     if (contextHelpOption() != Help::Constants::ExternalHelpAlways)
-        m_core->modeManager()->activateMode(QLatin1String(Constants::ID_MODE_HELP));
+        Core::ModeManager::instance()->activateMode(QLatin1String(Constants::ID_MODE_HELP));
     else
         showExternalWindow();
 }
@@ -787,8 +787,8 @@ void HelpPlugin::contextHelpOptionChanged()
                 m_externalWindow->show();
                 connectExternalHelpWindow();
 
-                if (m_oldMode && m_mode == m_core->modeManager()->currentMode())
-                    m_core->modeManager()->activateMode(m_oldMode->id());
+                if (m_oldMode && m_mode == ModeManager::instance()->currentMode())
+                    ModeManager::instance()->activateMode(m_oldMode->id());
             }
         }
     } else if (modeWidget != m_splitter
@@ -822,12 +822,10 @@ void HelpPlugin::setupHelpEngineIfNeeded()
         m_helpManager->setupGuiHelpEngine();
 }
 
-HelpViewer* HelpPlugin::viewerForContextMode()
+HelpViewer *HelpPlugin::viewerForContextMode()
 {
-    using namespace Core;
-
-    if (m_core->modeManager()->currentMode()->id() == Core::Constants::MODE_WELCOME)
-        m_core->modeManager()->activateMode(Core::Constants::MODE_EDIT);
+    if (ModeManager::instance()->currentMode()->id() == Core::Constants::MODE_WELCOME)
+        ModeManager::instance()->activateMode(Core::Constants::MODE_EDIT);
 
     bool showSideBySide = false;
     RightPanePlaceHolder *placeHolder = RightPanePlaceHolder::current();
@@ -870,14 +868,14 @@ HelpViewer* HelpPlugin::viewerForContextMode()
 
 void HelpPlugin::activateContext()
 {
-    using namespace Core;
     createRightPaneContextViewer();
 
-    RightPanePlaceHolder* placeHolder = RightPanePlaceHolder::current();
+    RightPanePlaceHolder *placeHolder = RightPanePlaceHolder::current();
     if (placeHolder && m_helpViewerForSideBar->hasFocus()) {
         switchToHelpMode();
         return;
-    } else if (m_core->modeManager()->currentMode() == m_mode)
+    }
+    if (ModeManager::instance()->currentMode() == m_mode)
         return;
 
     // Find out what to show

src/plugins/projectexplorer/projectexplorer.cpp

@@ -439,9 +439,6 @@ bool ProjectExplorerPlugin::initialize(const QStringList &arguments, QString *er
     Core::ActionContainer *menubar =
         am->actionContainer(Core::Constants::MENU_BAR);
 
-    // mode manager (for fancy actions)
-    Core::ModeManager *modeManager = core->modeManager();
-
     // build menu
     Core::ActionContainer *mbuild =
         am->createMenu(Constants::M_BUILDPROJECT);
@@ -689,7 +686,7 @@ bool ProjectExplorerPlugin::initialize(const QStringList &arguments, QString *er
     mbuild->addAction(cmd, Constants::G_BUILD_PROJECT);
 
     // Add to mode bar
-    modeManager->addAction(cmd->action(), Constants::P_ACTION_BUILDPROJECT);
+    Core::ModeManager::instance()->addAction(cmd->action(), Constants::P_ACTION_BUILDPROJECT);
 
     // rebuild action
     d->m_rebuildAction = new Utils::ParameterAction(tr("Rebuild Project"), tr("Rebuild Project \"%1\""),
@@ -779,7 +776,7 @@ bool ProjectExplorerPlugin::initialize(const QStringList &arguments, QString *er
     cmd->setDefaultKeySequence(QKeySequence(tr("Ctrl+R")));
     mbuild->addAction(cmd, Constants::G_BUILD_RUN);
 
-    modeManager->addAction(cmd->action(), Constants::P_ACTION_RUN);
+    Core::ModeManager::instance()->addAction(cmd->action(), Constants::P_ACTION_RUN);
 
     d->m_runActionContextMenu = new QAction(runIcon, tr("Run"), this);
     cmd = am->registerAction(d->m_runActionContextMenu, Constants::RUNCONTEXTMENU, projecTreeContext);
@@ -880,7 +877,7 @@ bool ProjectExplorerPlugin::initialize(const QStringList &arguments, QString *er
     QWidget *mainWindow = Core::ICore::instance()->mainWindow();
     d->m_targetSelector = new Internal::MiniProjectTargetSelector(d->m_projectSelectorAction, mainWindow);
     connect(d->m_projectSelectorAction, SIGNAL(triggered()), d->m_targetSelector, SLOT(show()));
-    modeManager->addProjectSelector(d->m_projectSelectorAction);
+    Core::ModeManager::instance()->addProjectSelector(d->m_projectSelectorAction);
 
     d->m_projectSelectorActionMenu = new QAction(this);
     d->m_projectSelectorActionMenu->setEnabled(false);
@@ -1392,7 +1389,7 @@ void ProjectExplorerPlugin::determineSessionToRestoreAtStartup()
         d->m_sessionToRestoreAtStartup = d->m_session->lastSession();
 
     if (!d->m_sessionToRestoreAtStartup.isNull())
-        Core::ICore::instance()->modeManager()->activateMode(Core::Constants::MODE_EDIT);
+        Core::ModeManager::instance()->activateMode(Core::Constants::MODE_EDIT);
 }
 
 /*!
@@ -1420,9 +1417,9 @@ void ProjectExplorerPlugin::restoreSession()
     }
 
     // update welcome page
-    Core::ModeManager *modeManager = Core::ModeManager::instance();
-    connect(modeManager, SIGNAL(currentModeChanged(Core::IMode*, Core::IMode*)),
-            this, SLOT(currentModeChanged(Core::IMode*, Core::IMode*)));
+    connect(Core::ModeManager::instance(),
+            SIGNAL(currentModeChanged(Core::IMode*, Core::IMode*)),
+            SLOT(currentModeChanged(Core::IMode*, Core::IMode*)));
     connect(d->m_welcomePage, SIGNAL(requestSession(QString)), this, SLOT(loadSession(QString)));
     connect(d->m_welcomePage, SIGNAL(requestProject(QString)), this, SLOT(openProjectWelcomePage(QString)));
 

src/plugins/projectexplorer/session.cpp

@@ -71,6 +71,8 @@ namespace {
     bool debug = false;
 }
 
+using namespace Core;
+
 /* SessionFile definitions */
 namespace ProjectExplorer {
 namespace Internal {
@@ -323,7 +325,7 @@ SessionManager::SessionManager(QObject *parent)
     m_sessionNode(new Internal::SessionNodeImpl(this)),
     m_virginSession(true)
 {
-    connect(m_core->modeManager(), SIGNAL(currentModeChanged(Core::IMode*)),
+    connect(ModeManager::instance(), SIGNAL(currentModeChanged(Core::IMode*)),
             this, SLOT(saveActiveMode(Core::IMode*)));
 
     Core::EditorManager *em = m_core->editorManager();
@@ -554,8 +556,8 @@ bool SessionManager::createImpl(const QString &fileName)
         setStartupProject(0);
 
         if (!isDefaultVirgin()) {
-            m_core->modeManager()->activateMode(Core::Constants::MODE_EDIT);
-            m_core->modeManager()->setFocusToCurrentMode();
+            ModeManager::instance()->activateMode(Core::Constants::MODE_EDIT);
+            ModeManager::instance()->setFocusToCurrentMode();
         }
     }
 
@@ -625,8 +627,8 @@ bool SessionManager::loadImpl(const QString &fileName)
         if (modeIdentifier.isEmpty())
             modeIdentifier = Core::Constants::MODE_EDIT;
 
-        m_core->modeManager()->activateMode(modeIdentifier);
-        m_core->modeManager()->setFocusToCurrentMode();
+        ModeManager::instance()->activateMode(modeIdentifier);
+        ModeManager::instance()->setFocusToCurrentMode();
     }
 
     if (debug)

src/plugins/qmldesigner/qmldesignerplugin.cpp

@@ -290,9 +290,8 @@ void BauhausPlugin::createDesignModeWidget()
 
 void BauhausPlugin::updateEditor(Core::IEditor *editor)
 {
-    Core::ICore *creatorCore = Core::ICore::instance();
     if (editor && editor->id() == QmlJSEditor::Constants::C_QMLJSEDITOR_ID
-        && creatorCore->modeManager()->currentMode() == m_designMode)
+        && Core::ModeManager::instance()->currentMode() == m_designMode)
     {
         m_mainWidget->showEditor(editor);
     }

src/plugins/qmljsinspector/qmljsinspectorplugin.cpp

@@ -102,9 +102,7 @@ void InspectorPlugin::extensionsInitialized()
 
     connect(pluginManager, SIGNAL(objectAdded(QObject*)), SLOT(objectAdded(QObject*)));
     connect(pluginManager, SIGNAL(aboutToRemoveObject(QObject*)), SLOT(aboutToRemoveObject(QObject*)));
-
-    Core::ICore *core = Core::ICore::instance();
-    connect(core->modeManager(), SIGNAL(currentModeAboutToChange(Core::IMode*)),
+    connect(Core::ModeManager::instance(), SIGNAL(currentModeAboutToChange(Core::IMode*)),
             this, SLOT(modeAboutToChange(Core::IMode*)));
 }
 
@@ -151,9 +149,8 @@ void InspectorPlugin::modeAboutToChange(Core::IMode *newMode)
     if (newMode->id() == Debugger::Constants::MODE_DEBUG) {
         m_inspectorUi->setupUi();
 
-        // make sure we're not called again
-        Core::ICore *core = Core::ICore::instance();
-        disconnect(core->modeManager(), SIGNAL(currentModeAboutToChange(Core::IMode*)),
+        // Make sure we're not called again.
+        disconnect(Core::ModeManager::instance(), SIGNAL(currentModeAboutToChange(Core::IMode*)),
                    this, SLOT(modeAboutToChange(Core::IMode*)));
     }
 }

src/plugins/qttest/testconfigurations.cpp

@@ -938,8 +938,7 @@ void TestConfig::onProjectSettingsChanged()
     if (!m_activeProject)
         return;
 
-    Core::ICore *core = Core::ICore::instance();
-    Core::ModeManager *mgr = core->modeManager();
+    Core::ModeManager *mgr = Core::ModeManager::instance();
     if ((mgr && (mgr->currentMode()->id() != QLatin1String("Edit"))) || TestConfigurations::instance().updatesDelayed()) {
         // Try again later.
         emitConfigChanged();

src/plugins/qttest/testselector.cpp

@@ -738,8 +738,7 @@ void TestSelector::showSystemTests(bool show)
 
 void TestSelector::init()
 {
-    Core::ICore *core = Core::ICore::instance();
-    Core::ModeManager *mgr = core->modeManager();
+    Core::ModeManager *mgr = Core::ModeManager::instance();
     if (mgr && mgr->currentMode()->id() == "Edit") {
         TestConfigurations *tc = &TestConfigurations::instance();
         if (tc->activeConfiguration()) {

src/plugins/remotelinux/maemoqemumanager.cpp

@@ -102,8 +102,7 @@ MaemoQemuManager::MaemoQemuManager(QObject *parent)
     qemuCommand->setAttribute(Core::Command::CA_UpdateText);
     qemuCommand->setAttribute(Core::Command::CA_UpdateIcon);
 
-    Core::ModeManager *modeManager = core->modeManager();
-    modeManager->addAction(qemuCommand->action(), 1);
+    Core::ModeManager::instance()->addAction(qemuCommand->action(), 1);
     m_qemuAction->setEnabled(false);
     m_qemuAction->setVisible(false);
 

src/plugins/welcome/welcomeplugin.cpp

@@ -161,7 +161,7 @@ WelcomeMode::WelcomeMode() :
     PluginManager *pluginManager = PluginManager::instance();
     connect(pluginManager, SIGNAL(objectAdded(QObject*)), SLOT(welcomePluginAdded(QObject*)));
 
-    Core::ModeManager *modeManager = Core::ICore::instance()->modeManager();
+    Core::ModeManager *modeManager = Core::ModeManager::instance();
     connect(modeManager, SIGNAL(currentModeChanged(Core::IMode*)), SLOT(modeChanged(Core::IMode*)));
 
     setWidget(m_modeWidget);
@@ -174,7 +174,6 @@ bool WelcomeMode::eventFilter(QObject *, QEvent *e)
         return true;
     }
     return false;
-
 }
 
 WelcomeMode::~WelcomeMode()