CPPEditor: Rework preprocessor addition tooltip.

Change the preprocessor popup to a dialog.
Save the additional preprocessor directives to the session instead of the
.pro.user file.

Change-Id: I0d08c5684cfb21e822cde0a965c9cf14e5d6d47d
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

src/plugins/cppeditor/cppeditor.cpp

@@ -34,7 +34,7 @@
 #include "cppeditorplugin.h"
 #include "cppfollowsymbolundercursor.h"
 #include "cpphighlighter.h"
-#include "cpppreprocessoradditionwidget.h"
+#include "cpppreprocessordialog.h"
 #include "cppquickfixassistant.h"
 
 #include <coreplugin/actionmanager/actioncontainer.h>
@@ -701,18 +701,17 @@ void CPPEditorWidget::selectAll()
 
 void CPPEditorWidget::setMimeType(const QString &mt)
 {
-    const QString &fileName = editor()->document()->filePath();
+    const QString &filePath = editor()->document()->filePath();
     // Check if this editor belongs to a project
-    QList<ProjectPart::Ptr> projectParts = m_modelManager->projectPart(fileName);
+    QList<ProjectPart::Ptr> projectParts = m_modelManager->projectPart(filePath);
     if (projectParts.isEmpty())
-        projectParts = m_modelManager->projectPartFromDependencies(fileName);
+        projectParts = m_modelManager->projectPartFromDependencies(filePath);
     if (!projectParts.isEmpty()) {
-        if (ProjectExplorer::Project *project = projectParts.first()->project) {
-            QByteArray additionalDefines = project->additionalCppDefines()
-                    .value(projectParts.first()->projectFile).toByteArray();
-            m_modelManager->cppEditorSupport(editor())->snapshotUpdater()->setEditorDefines(
-                        additionalDefines);
-        }
+        QSharedPointer<SnapshotUpdater> updater
+                = m_modelManager->cppEditorSupport(editor())->snapshotUpdater();
+        const QString &projectFile = projectParts.first()->projectFile;
+        updater->setEditorDefines(ProjectExplorer::SessionManager::value(
+                                      projectFile + QLatin1Char(',') + filePath).toByteArray());
     }
 
     BaseTextEditorWidget::setMimeType(mt);
@@ -1968,28 +1967,21 @@ void CPPEditorWidget::onCommentsSettingsChanged(const CppTools::CommentsSettings
 void CPPEditorWidget::showPreProcessorWidget()
 {
     const QString &fileName = editor()->document()->filePath();
-    // Check if this editor belongs to a project
 
+    // Check if this editor belongs to a project
     QList<ProjectPart::Ptr> projectParts = m_modelManager->projectPart(fileName);
     if (projectParts.isEmpty())
         projectParts = m_modelManager->projectPartFromDependencies(fileName);
     if (projectParts.isEmpty())
         projectParts << m_modelManager->fallbackProjectPart();
 
-    PreProcessorAdditionPopUp::instance()->show(this, projectParts);
-
-    connect(PreProcessorAdditionPopUp::instance(),
-            SIGNAL(finished(QByteArray)),
-            SLOT(preProcessorWidgetFinished(QByteArray)));
-}
-
-void CPPEditorWidget::preProcessorWidgetFinished(const QByteArray &additionalDefines)
-{
-    PreProcessorAdditionPopUp::instance()->disconnect(this);
-    QSharedPointer<SnapshotUpdater> updater
-            = m_modelManager->cppEditorSupport(editor())->snapshotUpdater();
-    updater->setEditorDefines(additionalDefines);
-    updater->update(m_modelManager->workingCopy());
+    CppPreProcessorDialog preProcessorDialog(this, projectParts);
+    if (preProcessorDialog.exec() == QDialog::Accepted) {
+        QSharedPointer<SnapshotUpdater> updater
+                = m_modelManager->cppEditorSupport(editor())->snapshotUpdater();
+        updater->setEditorDefines(preProcessorDialog.additionalPreProcessorDirectives().toLatin1());
+        updater->update(m_modelManager->workingCopy());
+    }
 }
 
 #include <cppeditor.moc>

src/plugins/cppeditor/cppeditor.h

@@ -188,7 +188,6 @@ private Q_SLOTS:
     void onCommentsSettingsChanged(const CppTools::CommentsSettings &settings);
 
     void showPreProcessorWidget();
-    void preProcessorWidgetFinished(const QByteArray &additionalDefines);
 
 private:
     void markSymbols(const QTextCursor &tc, const CppTools::SemanticInfo &info);

src/plugins/cppeditor/cppeditor.pro

@@ -25,7 +25,7 @@ HEADERS += cppeditorplugin.h \
     cppincludehierarchyitem.h \
     cppincludehierarchytreeview.h \
     cppvirtualfunctionassistprovider.h \
-    cpppreprocessoradditionwidget.h
+    cpppreprocessordialog.h
 
 SOURCES += cppeditorplugin.cpp \
     cppautocompleter.cpp \
@@ -49,7 +49,7 @@ SOURCES += cppeditorplugin.cpp \
     cppincludehierarchyitem.cpp \
     cppincludehierarchytreeview.cpp \
     cppvirtualfunctionassistprovider.cpp \
-    cpppreprocessoradditionwidget.cpp
+    cpppreprocessordialog.cpp
 
 RESOURCES += cppeditor.qrc
 
@@ -67,4 +67,4 @@ equals(TEST, 1) {
 }
 
 FORMS += \
-    cpppreprocessoradditionwidget.ui
+    cpppreprocessordialog.ui

src/plugins/cppeditor/cppeditor.qbs

@@ -50,9 +50,9 @@ QtcPlugin {
         "cppincludehierarchytreeview.h",
         "cppoutline.cpp",
         "cppoutline.h",
-        "cpppreprocessoradditionwidget.cpp",
-        "cpppreprocessoradditionwidget.h",
-        "cpppreprocessoradditionwidget.ui",
+        "cpppreprocessordialog.cpp",
+        "cpppreprocessordialog.h",
+        "cpppreprocessordialog.ui",
         "cppquickfixassistant.cpp",
         "cppquickfixassistant.h",
         "cppquickfix.cpp",

src/plugins/cppeditor/cpppreprocessoradditionwidget.cpp

-/****************************************************************************
-**
-** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/legal
-**
-** This file is part of Qt Creator.
-**
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and Digia.  For licensing terms and
-** conditions see http://qt.digia.com/licensing.  For further information
-** use the contact form at http://qt.digia.com/contact-us.
-**
-** 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.
-**
-** In addition, as a special exception, Digia gives you certain additional
-** rights.  These rights are described in the Digia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-****************************************************************************/
-
-#include "cpppreprocessoradditionwidget.h"
-#include "ui_cpppreprocessoradditionwidget.h"
-
-#include "cppsnippetprovider.h"
-
-#include <utils/tooltip/tipcontents.h>
-#include <utils/tooltip/tooltip.h>
-#include <projectexplorer/project.h>
-
-#include <QDebug>
-
-using namespace CppEditor::Internal;
-
-PreProcessorAdditionWidget::PreProcessorAdditionWidget(QWidget *parent)
-    : QWidget(parent)
-    , ui(new Ui::CppPreProcessorAdditionWidget)
-{
-    ui->setupUi(this);
-    CppEditor::Internal::CppSnippetProvider prov;
-    prov.decorateEditor(ui->additionalEdit);
-    setAttribute(Qt::WA_QuitOnClose, false);
-    setFocusPolicy(Qt::StrongFocus);
-    ui->additionalEdit->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
-}
-
-PreProcessorAdditionWidget::~PreProcessorAdditionWidget()
-{
-    emit finished();
-    delete ui;
-}
-
-PreProcessorAdditionPopUp *PreProcessorAdditionPopUp::instance()
-{
-    static PreProcessorAdditionPopUp inst;
-    return &inst;
-}
-
-void PreProcessorAdditionPopUp::show(QWidget *parent,
-                                     const QList<CppTools::ProjectPart::Ptr> &projectParts)
-{
-    m_widget = new PreProcessorAdditionWidget();
-    m_originalPartAdditions.clear();
-    foreach (CppTools::ProjectPart::Ptr projectPart, projectParts) {
-        ProjectPartAddition addition;
-        addition.projectPart = projectPart;
-        m_widget->ui->projectComboBox->addItem(projectPart->displayName);
-        addition.additionalDefines = projectPart->project
-                ->additionalCppDefines().value(projectPart->projectFile).toByteArray();
-        m_originalPartAdditions << addition;
-    }
-    m_partAdditions = m_originalPartAdditions;
-
-    m_widget->ui->additionalEdit->setPlainText(QLatin1String(
-                m_partAdditions[m_widget->ui->projectComboBox->currentIndex()].additionalDefines));
-
-    QPoint pos = parent->mapToGlobal(parent->rect().topRight());
-    pos.setX(pos.x() - m_widget->width());
-    showInternal(pos, Utils::WidgetContent(m_widget, true), parent, QRect());
-
-    connect(m_widget->ui->additionalEdit, SIGNAL(textChanged()), SLOT(textChanged()));
-    connect(m_widget->ui->projectComboBox, SIGNAL(currentIndexChanged(int)),
-            SLOT(projectChanged(int)));
-    connect(m_widget, SIGNAL(finished()), SLOT(finish()));
-    connect(m_widget->ui->buttonBox, SIGNAL(accepted()), SLOT(apply()));
-    connect(m_widget->ui->buttonBox, SIGNAL(rejected()), SLOT(cancel()));
-}
-
-bool PreProcessorAdditionPopUp::eventFilter(QObject *o, QEvent *event)
-{
-    // Filter out some events that would hide the widget, when they would be handled by the ToolTip
-    switch (event->type()) {
-    case QEvent::Leave:
-        // This event would hide the ToolTip because the view isn't a child of the WidgetContent
-        if (m_widget->ui->projectComboBox->view() == qApp->focusWidget())
-            return false;
-        break;
-    case QEvent::KeyPress:
-    case QEvent::KeyRelease:
-    case QEvent::ShortcutOverride:
-        // Catch the escape key to close the widget
-        if (static_cast<QKeyEvent *>(event)->key() == Qt::Key_Escape) {
-            hideTipImmediately();
-            return true;
-        }
-        break;
-    case QEvent::MouseButtonPress:
-    case QEvent::MouseButtonRelease:
-    case QEvent::MouseButtonDblClick:
-    case QEvent::Wheel:
-        // This event would hide the ToolTip because the viewport isn't a child of the WidgetContent
-        if (o == m_widget->ui->projectComboBox->view()->viewport())
-            return false;
-        break;
-    default:
-        break;
-    }
-    return Utils::ToolTip::eventFilter(o, event);
-}
-
-void PreProcessorAdditionPopUp::textChanged()
-{
-    m_partAdditions[m_widget->ui->projectComboBox->currentIndex()].additionalDefines
-            = m_widget->ui->additionalEdit->toPlainText().toLatin1();
-}
-
-
-void PreProcessorAdditionPopUp::finish()
-{
-    m_widget->disconnect(this);
-    foreach (ProjectPartAddition partAddition, m_originalPartAdditions) {
-        QVariantMap settings = partAddition.projectPart->project->additionalCppDefines();
-        if (!settings[partAddition.projectPart->projectFile].toString().isEmpty()
-                && !partAddition.additionalDefines.isEmpty()) {
-            settings[partAddition.projectPart->projectFile] = partAddition.additionalDefines;
-            partAddition.projectPart->project->setAdditionalCppDefines(settings);
-        }
-    }
-    emit finished(m_originalPartAdditions.value(m_widget->ui->projectComboBox->currentIndex())
-                  .additionalDefines);
-}
-
-void PreProcessorAdditionPopUp::projectChanged(int index)
-{
-    m_widget->ui->additionalEdit->setPlainText(
-                QLatin1String(m_partAdditions[index].additionalDefines));
-}
-
-void PreProcessorAdditionPopUp::apply()
-{
-    m_originalPartAdditions = m_partAdditions;
-    hideTipImmediately();
-}
-
-void PreProcessorAdditionPopUp::cancel()
-{
-    m_partAdditions = m_originalPartAdditions;
-    hideTipImmediately();
-}
-
-PreProcessorAdditionPopUp::PreProcessorAdditionPopUp()
-    : m_widget(0)
-{}

src/plugins/cppeditor/cpppreprocessordialog.cpp

+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#include "cpppreprocessordialog.h"
+#include "ui_cpppreprocessordialog.h"
+
+#include "cppeditor.h"
+#include "cppsnippetprovider.h"
+
+#include <projectexplorer/session.h>
+
+using namespace CppEditor::Internal;
+
+CppPreProcessorDialog::CppPreProcessorDialog(CPPEditorWidget *editorWidget,
+                                             const QList<CppTools::ProjectPart::Ptr> &projectParts)
+    : QDialog(editorWidget)
+    , m_ui(new Ui::CppPreProcessorDialog())
+    , m_filePath(editorWidget->editor()->document()->filePath())
+{
+    setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+
+    m_ui->setupUi(this);
+    m_ui->editorLabel->setText(m_ui->editorLabel->text().arg(QFileInfo(m_filePath).fileName()));
+
+    CppSnippetProvider().decorateEditor(m_ui->editWidget);
+
+    foreach (CppTools::ProjectPart::Ptr projectPart, projectParts) {
+        m_ui->projectComboBox->addItem(projectPart->displayName);
+        ProjectPartAddition addition;
+        addition.projectPart = projectPart;
+        addition.additionalDirectives = ProjectExplorer::SessionManager::value(
+                    projectPart->projectFile + QLatin1Char(',') +  m_filePath).toString();
+        m_partAdditions << addition;
+    }
+    if (m_ui->projectComboBox->count() <= 1)
+        m_ui->projectComboBox->setEnabled(false);
+    m_ui->editWidget->setPlainText(
+            m_partAdditions.value(m_ui->projectComboBox->currentIndex()).additionalDirectives);
+
+    connect(m_ui->projectComboBox, SIGNAL(currentIndexChanged(int)), SLOT(projectChanged(int)));
+    connect(m_ui->editWidget, SIGNAL(textChanged()), SLOT(textChanged()));
+}
+
+CppPreProcessorDialog::~CppPreProcessorDialog()
+{
+    delete m_ui;
+}
+
+int CppPreProcessorDialog::exec()
+{
+    if (QDialog::exec() == Rejected)
+        return Rejected;
+
+    foreach (ProjectPartAddition partAddition, m_partAdditions) {
+        const QString &previousDirectives = ProjectExplorer::SessionManager::value(
+                    partAddition.projectPart->projectFile
+                    + QLatin1Char(',')
+                    + m_filePath).toString();
+        if (previousDirectives != partAddition.additionalDirectives) {
+            ProjectExplorer::SessionManager::setValue(
+                        partAddition.projectPart->projectFile + QLatin1Char(',') +  m_filePath,
+                        partAddition.additionalDirectives);
+        }
+    }
+    return Accepted;
+}
+
+QString CppPreProcessorDialog::additionalPreProcessorDirectives() const
+{
+    return m_ui->editWidget->toPlainText();
+}
+
+void CppPreProcessorDialog::projectChanged(int index)
+{
+    m_ui->editWidget->setPlainText(m_partAdditions[index].additionalDirectives);
+}
+
+void CppPreProcessorDialog::textChanged()
+{
+    m_partAdditions[m_ui->projectComboBox->currentIndex()].additionalDirectives
+            = m_ui->editWidget->toPlainText();
+}

src/plugins/cppeditor/cpppreprocessoradditionwidget.h → src/plugins/cppeditor/cpppreprocessordialog.h

@@ -27,70 +27,47 @@
 **
 ****************************************************************************/
 
-#ifndef CPPPREPROCESSORADDITIONWIDGET_H
-#define CPPPREPROCESSORADDITIONWIDGET_H
+#ifndef CPPPREPROCESSORDIALOG_H
+#define CPPPREPROCESSORDIALOG_H
 
 #include <cpptools/cppmodelmanagerinterface.h>
-#include <utils/tooltip/tooltip.h>
 
-#include <QWidget>
-#include <QVariantMap>
-#include <QPointer>
+#include <QDialog>
 
 namespace CppEditor {
 namespace Internal {
-namespace Ui { class CppPreProcessorAdditionWidget; }
+namespace Ui { class CppPreProcessorDialog; }
 
-class PreProcessorAdditionWidget : public QWidget
-{
-    Q_OBJECT
-
-public:
-    explicit PreProcessorAdditionWidget(QWidget *parent = 0);
-    ~PreProcessorAdditionWidget();
-    Ui::CppPreProcessorAdditionWidget *ui;
+class CPPEditorWidget;
 
-signals:
-    void finished();
-};
-
-class PreProcessorAdditionPopUp : public Utils::ToolTip
+class CppPreProcessorDialog : public QDialog
 {
     Q_OBJECT
 
 public:
-    ~PreProcessorAdditionPopUp(){}
-    static PreProcessorAdditionPopUp *instance();
-
-    void show(QWidget *parent, const QList<CppTools::ProjectPart::Ptr> &projectPartAdditions);
-    bool eventFilter(QObject *o, QEvent *event);
+    explicit CppPreProcessorDialog(CPPEditorWidget *editorWidget,
+                                   const QList<CppTools::ProjectPart::Ptr> &projectParts);
+    ~CppPreProcessorDialog();
 
-signals:
-    void finished(const QByteArray &additionalDefines);
+    int exec();
+    QString additionalPreProcessorDirectives() const;
 
 private slots:
-    void textChanged();
-    void finish();
     void projectChanged(int index);
-    void apply();
-    void cancel();
-
-protected:
-    explicit PreProcessorAdditionPopUp();
+    void textChanged();
 
 private:
     struct ProjectPartAddition {
         CppTools::ProjectPart::Ptr projectPart;
-        QByteArray additionalDefines;
+        QString additionalDirectives;
     };
 
-    PreProcessorAdditionWidget* m_widget;
-    QList<ProjectPartAddition> m_originalPartAdditions;
+    Ui::CppPreProcessorDialog *m_ui;
     QList<ProjectPartAddition> m_partAdditions;
-
+    QString m_filePath;
 };
 
-} // namespace CPPEditor
 } // namespace Internal
+} // namespace CPPEditor
 
-#endif // CPPPREPROCESSORADDITIONWIDGET_H
+#endif // CPPPREPROCESSORDIALOG_H

src/plugins/cppeditor/cpppreprocessoradditionwidget.ui → src/plugins/cppeditor/cpppreprocessordialog.ui

 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
- <class>CppEditor::Internal::CppPreProcessorAdditionWidget</class>
- <widget class="QWidget" name="CppEditor::Internal::CppPreProcessorAdditionWidget">
+ <class>CppEditor::Internal::CppPreProcessorDialog</class>
+ <widget class="QDialog" name="CppEditor::Internal::CppPreProcessorDialog">
   <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>415</width>
-    <height>395</height>
+    <width>400</width>
+    <height>300</height>
    </rect>
   </property>
-  <property name="focusPolicy">
-   <enum>Qt::StrongFocus</enum>
-  </property>
   <property name="windowTitle">
-   <string>PP</string>
-  </property>
-  <property name="autoFillBackground">
-   <bool>true</bool>
+   <string>Additional C++ Preprocess Directives</string>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
    <item>
@@ -49,38 +43,24 @@
     </widget>
    </item>
    <item>
-    <widget class="QLabel" name="additionalLabel">
+    <widget class="QLabel" name="editorLabel">
      <property name="text">
-      <string>Additional</string>
+      <string>Additional C++ Preprocessor Directives for %1:</string>
      </property>
     </widget>
    </item>
    <item>
-    <widget class="TextEditor::SnippetEditorWidget" name="additionalEdit"/>
+    <widget class="TextEditor::SnippetEditorWidget" name="editWidget"/>
    </item>
    <item>
-    <layout class="QHBoxLayout" name="horizontalLayout_2">
-     <item>
-      <spacer name="horizontalSpacer">
-       <property name="orientation">
-        <enum>Qt::Horizontal</enum>
-       </property>
-       <property name="sizeHint" stdset="0">
-        <size>
-         <width>40</width>
-         <height>20</height>
-        </size>
-       </property>
-      </spacer>
-     </item>
-     <item>
-      <widget class="QDialogButtonBox" name="buttonBox">
-       <property name="standardButtons">
-        <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
-       </property>
-      </widget>
-     </item>
-    </layout>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
    </item>
   </layout>
  </widget>
@@ -88,9 +68,42 @@
   <customwidget>
    <class>TextEditor::SnippetEditorWidget</class>
    <extends>QPlainTextEdit</extends>
-   <header>texteditor/snippets/snippeteditor.h</header>
+   <header location="global">texteditor/snippets/snippeteditor.h</header>
   </customwidget>
  </customwidgets>
  <resources/>
- <connections/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>CppEditor::Internal::CppPreProcessorDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>CppEditor::Internal::CppPreProcessorDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
 </ui>

src/plugins/projectexplorer/project.cpp

@@ -71,7 +71,6 @@ const char TARGET_KEY_PREFIX[] = "ProjectExplorer.Project.Target.";
 const char TARGET_COUNT_KEY[] = "ProjectExplorer.Project.TargetCount";
 const char EDITOR_SETTINGS_KEY[] = "ProjectExplorer.Project.EditorSettings";
 const char PLUGIN_SETTINGS_KEY[] = "ProjectExplorer.Project.PluginSettings";
-const char CPP_SETTINGS_KEY[] = "ProjectExplorer.Project.CppSettings";
 } // namespace
 
 namespace ProjectExplorer {
@@ -91,7 +90,6 @@ public:
     Core::Context m_projectContext;
     Core::Context m_projectLanguages;
     QVariantMap m_pluginSettings;
-    QVariantMap m_additionalCppDefines;
     SettingsAccessor *m_accessor;
 };
 
@@ -331,7 +329,6 @@ QVariantMap Project::toMap() const