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>

9 files changed, 462 insertions, 2 deletions

diff --git a/src/plugins/clangcodemodel/clangcodemodel.pro b/src/plugins/clangcodemodel/clangcodemodel.pro
index 17a63638e5..ff3ce0aea4 100644
--- a/src/plugins/clangcodemodel/clangcodemodel.pro
+++ b/src/plugins/clangcodemodel/clangcodemodel.pro
@@ -29,6 +29,8 @@ SOURCES += \
     clanghighlightingmarksreporter.cpp \
     clangmodelmanagersupport.cpp \
     clangpreprocessorassistproposalitem.cpp \
+    clangprojectsettings.cpp \
+    clangprojectsettingswidget.cpp \
     clangtextmark.cpp \
     clangutils.cpp
 
@@ -58,9 +60,13 @@ HEADERS += \
     clangisdiagnosticrelatedtolocation.h \
     clangmodelmanagersupport.h \
     clangpreprocessorassistproposalitem.h \
+    clangprojectsettings.h \
+    clangprojectsettingswidget.h \
     clangtextmark.h \
     clangutils.h
 
+FORMS += clangprojectsettingswidget.ui
+
 RESOURCES += \
     clangcodemodel.qrc
 
diff --git a/src/plugins/clangcodemodel/clangcodemodel.qbs b/src/plugins/clangcodemodel/clangcodemodel.qbs
index 9459aa8391..3109e20df4 100644
--- a/src/plugins/clangcodemodel/clangcodemodel.qbs
+++ b/src/plugins/clangcodemodel/clangcodemodel.qbs
@@ -84,6 +84,11 @@ QtcPlugin {
         "clangmodelmanagersupport.h",
         "clangpreprocessorassistproposalitem.cpp",
         "clangpreprocessorassistproposalitem.h",
+        "clangprojectsettings.cpp",
+        "clangprojectsettings.h",
+        "clangprojectsettingswidget.cpp",
+        "clangprojectsettingswidget.h",
+        "clangprojectsettingswidget.ui",
         "clangtextmark.cpp",
         "clangtextmark.h",
         "clangutils.cpp",
diff --git a/src/plugins/clangcodemodel/clangcodemodelplugin.cpp b/src/plugins/clangcodemodel/clangcodemodelplugin.cpp
index f81eb2d734..285042cc31 100644
--- a/src/plugins/clangcodemodel/clangcodemodelplugin.cpp
+++ b/src/plugins/clangcodemodel/clangcodemodelplugin.cpp
@@ -26,6 +26,7 @@
 #include "clangcodemodelplugin.h"
 
 #include "clangconstants.h"
+#include "clangprojectsettingswidget.h"
 
 #ifdef WITH_TESTS
 #  include "test/clangcodecompletion_test.h"
@@ -33,6 +34,10 @@
 
 #include <cpptools/cppmodelmanager.h>
 
+#include <projectexplorer/projectpanelfactory.h>
+#include <projectexplorer/projectexplorer.h>
+#include <projectexplorer/session.h>
+
 #include <texteditor/textmark.h>
 
 namespace ClangCodeModel {
@@ -48,6 +53,15 @@ void initializeTextMarks()
                                            Utils::Theme::ClangCodeModel_Error_TextMarkColor);
 }
 
+void addProjectPanelWidget()
+{
+    auto panelFactory = new ProjectExplorer::ProjectPanelFactory();
+    panelFactory->setPriority(60);
+    panelFactory->setDisplayName(ClangProjectSettingsWidget::tr("Clang Code Model"));
+    panelFactory->setSimpleCreateWidgetFunction<ClangProjectSettingsWidget>(QIcon());
+    ProjectExplorer::ProjectPanelFactory::registerFactory(panelFactory);
+}
+
 } // anonymous namespace
 
 bool ClangCodeModelPlugin::initialize(const QStringList &arguments, QString *errorMessage)
@@ -58,6 +72,7 @@ bool ClangCodeModelPlugin::initialize(const QStringList &arguments, QString *err
     CppTools::CppModelManager::instance()->activateClangCodeModel(&m_modelManagerSupportProvider);
 
     initializeTextMarks();
+    addProjectPanelWidget();
 
     return true;
 }
diff --git a/src/plugins/clangcodemodel/clangeditordocumentprocessor.cpp b/src/plugins/clangcodemodel/clangeditordocumentprocessor.cpp
index 38f7cb2d51..6428abcc5b 100644
--- a/src/plugins/clangcodemodel/clangeditordocumentprocessor.cpp
+++ b/src/plugins/clangcodemodel/clangeditordocumentprocessor.cpp
@@ -30,11 +30,14 @@
 #include "clangfixitoperation.h"
 #include "clangfixitoperationsextractor.h"
 #include "clanghighlightingmarksreporter.h"
+#include "clangprojectsettings.h"
 #include "clangutils.h"
 
 #include <diagnosticcontainer.h>
 #include <sourcelocationcontainer.h>
 
+#include <cpptools/clangdiagnosticconfigsmodel.h>
+#include <cpptools/clangdiagnosticconfigsmodel.h>
 #include <cpptools/compileroptionsbuilder.h>
 #include <cpptools/cppcodemodelsettings.h>
 #include <cpptools/cppmodelmanager.h>
@@ -340,10 +343,25 @@ static QStringList languageOptions(const QString &filePath, CppTools::ProjectPar
     return builder.options();
 }
 
+static QStringList warningOptions(CppTools::ProjectPart *projectPart)
+{
+    if (projectPart && projectPart->project) {
+        ClangProjectSettings projectSettings(projectPart->project);
+        if (!projectSettings.useGlobalWarningConfig()) {
+            const Core::Id warningConfigId = projectSettings.warningConfigId();
+            const CppTools::ClangDiagnosticConfigsModel configsModel(
+                        CppTools::codeModelSettings()->clangCustomDiagnosticConfigs());
+            if (configsModel.hasConfigWithId(warningConfigId))
+                return configsModel.configWithId(warningConfigId).commandLineOptions();
+        }
+    }
+
+    return CppTools::codeModelSettings()->clangDiagnosticConfig().commandLineOptions();
+}
+
 static QStringList fileArguments(const QString &filePath, CppTools::ProjectPart *projectPart)
 {
-    return languageOptions(filePath, projectPart)
-         + CppTools::codeModelSettings()->clangDiagnosticConfig().commandLineOptions();
+    return languageOptions(filePath, projectPart) + warningOptions(projectPart);
 }
 
 ClangBackEnd::FileContainer
diff --git a/src/plugins/clangcodemodel/clangprojectsettings.cpp b/src/plugins/clangcodemodel/clangprojectsettings.cpp
new file mode 100644
index 0000000000..a5311513b8
--- /dev/null
+++ b/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
diff --git a/src/plugins/clangcodemodel/clangprojectsettings.h b/src/plugins/clangcodemodel/clangprojectsettings.h
new file mode 100644
index 0000000000..5ffe12aa46
--- /dev/null
+++ b/src/plugins/clangcodemodel/clangprojectsettings.h
@@ -0,0 +1,66 @@
+/****************************************************************************
+**
+** 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.
+**
+****************************************************************************/
+
+#pragma once
+
+#include <coreplugin/id.h>
+#include <projectexplorer/project.h>
+
+#include <QObject>
+#include <QString>
+
+namespace ClangCodeModel {
+namespace Internal {
+
+class ClangProjectSettings: public QObject
+{
+    Q_OBJECT
+
+public:
+    ClangProjectSettings(ProjectExplorer::Project *project);
+
+    bool useGlobalWarningConfig() const;
+    void setUseGlobalWarningConfig(bool useGlobalWarningConfig);
+
+    Core::Id warningConfigId() const;
+    void setWarningConfigId(const Core::Id &warningConfigId);
+
+public slots:
+    void load();
+    void store();
+
+private:
+    ProjectExplorer::Project *m_project;
+    bool m_useGlobalWarningConfig = true;
+    Core::Id m_warningConfigId;
+};
+
+} // namespace Internal
+} // namespace ClangCodeModel
diff --git a/src/plugins/clangcodemodel/clangprojectsettingswidget.cpp b/src/plugins/clangcodemodel/clangprojectsettingswidget.cpp
new file mode 100644
index 0000000000..b3c01f1831
--- /dev/null
+++ b/src/plugins/clangcodemodel/clangprojectsettingswidget.cpp
@@ -0,0 +1,160 @@
+/****************************************************************************
+**
+** 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 "clangprojectsettingswidget.h"
+
+#include "clangprojectsettings.h"
+
+#include <coreplugin/icore.h>
+
+#include <cpptools/clangdiagnosticconfig.h>
+#include <cpptools/clangdiagnosticconfigswidget.h>
+#include <cpptools/cppcodemodelsettings.h>
+#include <cpptools/cpptoolsreuse.h>
+
+static const char GLOBAL_PROXY_CONFIG_ID[] = "globalProxyConfig";
+
+namespace ClangCodeModel {
+namespace Internal {
+
+static CppTools::ClangDiagnosticConfig
+createConfigRepresentingGlobalSetting(const CppTools::ClangDiagnosticConfig &baseConfig)
+{
+    CppTools::ClangDiagnosticConfig config = baseConfig;
+    config.setId(GLOBAL_PROXY_CONFIG_ID);
+
+    QString displayName = config.displayName();
+    if (config.isReadOnly())
+        displayName = CppTools::ClangDiagnosticConfigsModel::displayNameWithBuiltinIndication(config);
+    displayName = ClangProjectSettingsWidget::tr("Global setting (%1)").arg(displayName);
+
+    config.setDisplayName(displayName);
+    config.setIsReadOnly(true);
+
+    return config;
+}
+
+static Core::Id globalConfigId(const CppTools::CppCodeModelSettings &settings,
+                               const CppTools::ClangDiagnosticConfigsModel &model)
+{
+    const Core::Id configId = settings.clangDiagnosticConfigId();
+
+    if (model.hasConfigWithId(configId))
+        return configId;
+
+    return model.at(0).id(); // Config saved in the settings was removed, fallback to first.
+}
+
+static CppTools::ClangDiagnosticConfigsModel
+createConfigsModelWithGlobalProxyConfig(const CppTools::CppCodeModelSettings &settings)
+{
+    using namespace CppTools;
+    ClangDiagnosticConfigsModel configsModel(settings.clangCustomDiagnosticConfigs());
+
+    const Core::Id globalId = globalConfigId(settings, configsModel);
+    const ClangDiagnosticConfig globalConfig = configsModel.configWithId(globalId);
+    const ClangDiagnosticConfig globalProxy
+            = createConfigRepresentingGlobalSetting(globalConfig);
+
+    configsModel.prepend(globalProxy);
+
+    return configsModel;
+}
+
+static Core::Id configIdForProject(const ClangProjectSettings &projectSettings)
+{
+    return projectSettings.useGlobalWarningConfig()
+            ? Core::Id(GLOBAL_PROXY_CONFIG_ID)
+            : projectSettings.warningConfigId();
+}
+
+ClangProjectSettingsWidget::ClangProjectSettingsWidget(ProjectExplorer::Project *project)
+    : m_projectSettings(project)
+{
+    m_ui.setupUi(this);
+
+    using namespace CppTools;
+
+    m_diagnosticConfigWidget = new ClangDiagnosticConfigsWidget;
+    m_diagnosticConfigWidget->setConfigWithUndecoratedDisplayName(Core::Id(GLOBAL_PROXY_CONFIG_ID));
+    refreshDiagnosticConfigsWidgetFromSettings();
+    connectToCppCodeModelSettingsChanged();
+    connect(m_diagnosticConfigWidget.data(), &ClangDiagnosticConfigsWidget::currentConfigChanged,
+            this, &ClangProjectSettingsWidget::onCurrentWarningConfigChanged);
+    connect(m_diagnosticConfigWidget.data(), &ClangDiagnosticConfigsWidget::customConfigsChanged,
+            this, &ClangProjectSettingsWidget::onCustomWarningConfigsChanged);
+
+    m_ui.diagnosticConfigurationGroupBox->layout()->addWidget(m_diagnosticConfigWidget);
+}
+
+void ClangProjectSettingsWidget::onCurrentWarningConfigChanged(const Core::Id &currentConfigId)
+{
+    const bool useGlobalConfig = currentConfigId == Core::Id(GLOBAL_PROXY_CONFIG_ID);
+
+    m_projectSettings.setUseGlobalWarningConfig(useGlobalConfig);
+    m_projectSettings.setWarningConfigId(currentConfigId);
+
+    m_projectSettings.store();
+}
+
+void ClangProjectSettingsWidget::onCustomWarningConfigsChanged(
+        const CppTools::ClangDiagnosticConfigs &customConfigs)
+{
+    disconnectFromCppCodeModelSettingsChanged();
+
+    const QSharedPointer<CppTools::CppCodeModelSettings> codeModelSettings
+            = CppTools::codeModelSettings();
+    codeModelSettings->setClangCustomDiagnosticConfigs(customConfigs);
+    codeModelSettings->toSettings(Core::ICore::settings());
+
+    connectToCppCodeModelSettingsChanged();
+}
+
+void ClangProjectSettingsWidget::refreshDiagnosticConfigsWidgetFromSettings()
+{
+    m_diagnosticConfigWidget->refresh(
+                createConfigsModelWithGlobalProxyConfig(*CppTools::codeModelSettings()),
+                configIdForProject(m_projectSettings));
+}
+
+void ClangProjectSettingsWidget::connectToCppCodeModelSettingsChanged()
+{
+    connect(CppTools::codeModelSettings().data(), &CppTools::CppCodeModelSettings::changed,
+            this, &ClangProjectSettingsWidget::refreshDiagnosticConfigsWidgetFromSettings);
+}
+
+void ClangProjectSettingsWidget::disconnectFromCppCodeModelSettingsChanged()
+{
+    disconnect(CppTools::codeModelSettings().data(), &CppTools::CppCodeModelSettings::changed,
+               this, &ClangProjectSettingsWidget::refreshDiagnosticConfigsWidgetFromSettings);
+}
+
+} // namespace Internal
+} // namespace ClangCodeModel
diff --git a/src/plugins/clangcodemodel/clangprojectsettingswidget.h b/src/plugins/clangcodemodel/clangprojectsettingswidget.h
new file mode 100644
index 0000000000..944a043329
--- /dev/null
+++ b/src/plugins/clangcodemodel/clangprojectsettingswidget.h
@@ -0,0 +1,70 @@
+/****************************************************************************
+**
+** 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.
+**
+****************************************************************************/
+
+#pragma once
+
+#include "ui_clangprojectsettingswidget.h"
+
+#include "clangprojectsettings.h"
+
+#include <cpptools/clangdiagnosticconfigsmodel.h>
+
+#include <QPointer>
+
+namespace ProjectExplorer { class Project; }
+namespace CppTools { class ClangDiagnosticConfigsWidget; }
+
+namespace ClangCodeModel {
+namespace Internal {
+
+class ClangProjectSettingsWidget: public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit ClangProjectSettingsWidget(ProjectExplorer::Project *project);
+
+private slots:
+    void onCurrentWarningConfigChanged(const Core::Id &currentConfigId);
+    void onCustomWarningConfigsChanged(const CppTools::ClangDiagnosticConfigs &customConfigs);
+
+private:
+    void refreshDiagnosticConfigsWidgetFromSettings();
+    void connectToCppCodeModelSettingsChanged();
+    void disconnectFromCppCodeModelSettingsChanged();
+
+private:
+    Ui::ClangProjectSettingsWidget m_ui;
+    ClangProjectSettings m_projectSettings;
+    QPointer<CppTools::ClangDiagnosticConfigsWidget> m_diagnosticConfigWidget;
+};
+
+} // namespace Internal
+} // namespace ClangCodeModel
diff --git a/src/plugins/clangcodemodel/clangprojectsettingswidget.ui b/src/plugins/clangcodemodel/clangprojectsettingswidget.ui
new file mode 100644
index 0000000000..085294b840
--- /dev/null
+++ b/src/plugins/clangcodemodel/clangprojectsettingswidget.ui
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ClangCodeModel::Internal::ClangProjectSettingsWidget</class>
+ <widget class="QWidget" name="ClangCodeModel::Internal::ClangProjectSettingsWidget">
+  <property name="enabled">
+   <bool>true</bool>
+  </property>
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>814</width>
+    <height>330</height>
+   </rect>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QGroupBox" name="diagnosticConfigurationGroupBox">
+     <property name="title">
+      <string>Warnings</string>
+     </property>
+     <layout class="QVBoxLayout" name="verticalLayout_2"/>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>