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/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.
+**
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+** 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
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+** 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