Clang: Introduce warning configuration per project

Change-Id: I5b9a330274e6f72b0786259eb25aa454877d4eef
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@theqtcompany.com>
Reviewed-by: Marco Bubke <marco.bubke@theqtcompany.com>

src/plugins/clangcodemodel/clangprojectsettings.cpp

@@ -0,0 +1,91 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing
+**
+** 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 The Qt Company.  For licensing terms and
+** conditions see http://www.qt.io/terms-conditions.  For further information
+** use the contact form at http://www.qt.io/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 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, The Qt Company gives you certain additional
+** rights.  These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#include "clangprojectsettings.h"
+
+namespace ClangCodeModel {
+namespace Internal {
+
+static QString useGlobalWarningConfigKey()
+{ return QStringLiteral("ClangCodeModel.UseGlobalWarningConfig"); }
+
+static QString warningConfigIdKey()
+{ return QStringLiteral("ClangCodeModel.WarningConfigId"); }
+
+ClangProjectSettings::ClangProjectSettings(ProjectExplorer::Project *project)
+    : m_project(project)
+{
+    load();
+
+    connect(project, &ProjectExplorer::Project::settingsLoaded,
+            this, &ClangProjectSettings::load);
+    connect(project, &ProjectExplorer::Project::aboutToSaveSettings,
+            this, &ClangProjectSettings::store);
+}
+
+Core::Id ClangProjectSettings::warningConfigId() const
+{
+    return m_warningConfigId;
+}
+
+void ClangProjectSettings::setWarningConfigId(const Core::Id &customConfigId)
+{
+    m_warningConfigId = customConfigId;
+}
+
+bool ClangProjectSettings::useGlobalWarningConfig() const
+{
+    return m_useGlobalWarningConfig;
+}
+
+void ClangProjectSettings::setUseGlobalWarningConfig(bool useGlobalWarningConfig)
+{
+    m_useGlobalWarningConfig = useGlobalWarningConfig;
+}
+
+void ClangProjectSettings::load()
+{
+    const QVariant useGlobalConfigVariant = m_project->namedSettings(useGlobalWarningConfigKey());
+    const bool useGlobalConfig = useGlobalConfigVariant.isValid()
+            ? useGlobalConfigVariant.toBool()
+            : true;
+
+    setUseGlobalWarningConfig(useGlobalConfig);
+    setWarningConfigId(Core::Id::fromSetting(m_project->namedSettings(warningConfigIdKey())));
+}
+
+void ClangProjectSettings::store()
+{
+    m_project->setNamedSettings(useGlobalWarningConfigKey(), useGlobalWarningConfig());
+    m_project->setNamedSettings(warningConfigIdKey(), warningConfigId().toSetting());
+}
+
+} // namespace Internal
+} // namespace ClangCodeModel