Valgrind: Move global settings handling closer to current pattern

Change-Id: I41f35485ef51b977ee75fec53dbf0c8d75a27461
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>

src/plugins/projectexplorer/runconfiguration.h

@@ -77,7 +77,6 @@ public:
     void resetProjectToGlobalSettings();
 
     ISettingsAspect *projectSettings() const { return m_projectSettings; }
-    ISettingsAspect *globalSettings() const { return m_globalSettings; }
     ISettingsAspect *currentSettings() const;
 
     struct Data : Utils::BaseAspect::Data

src/plugins/valgrind/callgrindtool.cpp

@@ -342,8 +342,6 @@ CallgrindToolPrivate::CallgrindToolPrivate()
 
     updateCostFormat();
 
-    ValgrindGlobalSettings *settings = ValgrindGlobalSettings::instance();
-
     //
     // Control Widget
     //
@@ -360,8 +358,8 @@ CallgrindToolPrivate::CallgrindToolPrivate()
                                         Theme::IconsBaseColor}});
     action->setIcon(kCachegrindIcon.icon());
     action->setToolTip(Tr::tr("Open results in KCachegrind."));
-    connect(action, &QAction::triggered, this, [this, settings] {
-        Process::startDetached({settings->kcachegrindExecutable(), { m_lastFileName }});
+    connect(action, &QAction::triggered, this, [this] {
+        Process::startDetached({globalSettings().kcachegrindExecutable(), { m_lastFileName }});
     });
 
     // dump action
@@ -468,7 +466,7 @@ CallgrindToolPrivate::CallgrindToolPrivate()
     }
 
     // Filtering
-    action = m_filterProjectCosts = settings->filterExternalIssues.action();
+    action = m_filterProjectCosts = globalSettings().filterExternalIssues.action();
     connect(action, &QAction::toggled, this, &CallgrindToolPrivate::handleFilterProjectCosts);
 
     // Filter
@@ -477,10 +475,10 @@ CallgrindToolPrivate::CallgrindToolPrivate()
     connect(m_searchFilter, &QLineEdit::textChanged,
             &m_updateTimer, QOverload<>::of(&QTimer::start));
 
-    setCostFormat(CostDelegate::CostFormat(settings->costFormat()));
+    setCostFormat(CostDelegate::CostFormat(globalSettings().costFormat()));
 
-    m_perspective.addToolBarAction(settings->detectCycles.action());
-    m_perspective.addToolBarAction(settings->shortenTemplates.action());
+    m_perspective.addToolBarAction(globalSettings().detectCycles.action());
+    m_perspective.addToolBarAction(globalSettings().shortenTemplates.action());
     m_perspective.addToolBarAction(m_filterProjectCosts);
     m_perspective.addToolBarWidget(m_searchFilter);
 
@@ -625,8 +623,7 @@ void CallgrindToolPrivate::updateCostFormat()
         m_calleesView->setCostFormat(format);
         m_callersView->setCostFormat(format);
     }
-    if (ValgrindGlobalSettings *settings = ValgrindGlobalSettings::instance())
-        settings->costFormat.setValue(format);
+    globalSettings().costFormat.setValue(format);
 }
 
 void CallgrindToolPrivate::handleFilterProjectCosts()
@@ -908,8 +905,7 @@ void CallgrindToolPrivate::takeParserData(ParseData *data)
     doClear(true);
 
     setParseData(data);
-    const FilePath kcachegrindExecutable =
-            ValgrindGlobalSettings::instance()->kcachegrindExecutable();
+    const FilePath kcachegrindExecutable = globalSettings().kcachegrindExecutable();
     const FilePath found = kcachegrindExecutable.searchInPath();
     const bool kcachegrindExists = found.isExecutableFile();
     m_startKCachegrind->setEnabled(kcachegrindExists && !m_lastFileName.isEmpty());

src/plugins/valgrind/memchecktool.cpp

@@ -519,7 +519,7 @@ private:
 
 MemcheckToolPrivate::MemcheckToolPrivate()
 {
-    m_settings = ValgrindGlobalSettings::instance();
+    m_settings = &globalSettings();
 
     setObjectName("MemcheckTool");
 
@@ -904,7 +904,7 @@ void MemcheckToolPrivate::updateRunActions()
 void MemcheckToolPrivate::settingsDestroyed(QObject *settings)
 {
     QTC_ASSERT(m_settings == settings, return);
-    m_settings = ValgrindGlobalSettings::instance();
+    m_settings = &globalSettings();
 }
 
 void MemcheckToolPrivate::updateFromSettings()
@@ -943,7 +943,7 @@ void MemcheckToolPrivate::maybeActiveRunConfigurationChanged()
                 settings = rc->currentSettings<ValgrindBaseSettings>(ANALYZER_VALGRIND_SETTINGS);
 
     if (!settings) // fallback to global settings
-        settings = ValgrindGlobalSettings::instance();
+        settings = &globalSettings();
 
     if (m_settings == settings)
         return;
@@ -1045,8 +1045,8 @@ void MemcheckToolPrivate::loadXmlLogFile(const QString &filePath)
     clearErrorView();
     m_loadExternalLogFile->setDisabled(true);
 
-    if (!m_settings || m_settings != ValgrindGlobalSettings::instance()) {
-        m_settings = ValgrindGlobalSettings::instance();
+    if (!m_settings || m_settings != &globalSettings()) {
+        m_settings = &globalSettings();
         m_errorView->settingsChanged(m_settings);
         updateFromSettings();
     }

src/plugins/valgrind/valgrindconfigwidget.cpp

@@ -16,8 +16,7 @@
 
 using namespace Utils;
 
-namespace Valgrind {
-namespace Internal {
+namespace Valgrind::Internal {
 
 class ValgrindConfigWidget : public Core::IOptionsPageWidget
 {
@@ -26,13 +25,13 @@ public:
 
     void apply() final
     {
-        ValgrindGlobalSettings::instance()->apply();
-        ValgrindGlobalSettings::instance()->writeSettings();
+        globalSettings().apply();
+        globalSettings().writeSettings();
     }
 
     void finish() final
     {
-        ValgrindGlobalSettings::instance()->finish();
+        globalSettings().finish();
     }
 };
 
@@ -87,20 +86,26 @@ ValgrindConfigWidget::ValgrindConfigWidget(ValgrindBaseSettings *settings)
 
 // ValgrindOptionsPage
 
-ValgrindOptionsPage::ValgrindOptionsPage()
+class ValgrindOptionsPage final : public Core::IOptionsPage
 {
-    setId(ANALYZER_VALGRIND_SETTINGS);
-    setDisplayName(Tr::tr("Valgrind"));
-    setCategory("T.Analyzer");
-    setDisplayCategory(::Debugger::Tr::tr("Analyzer"));
-    setCategoryIconPath(Analyzer::Icons::SETTINGSCATEGORY_ANALYZER);
-    setWidgetCreator([] { return new ValgrindConfigWidget(ValgrindGlobalSettings::instance()); });
-}
+public:
+    ValgrindOptionsPage()
+    {
+        setId(ANALYZER_VALGRIND_SETTINGS);
+        setDisplayName(Tr::tr("Valgrind"));
+        setCategory("T.Analyzer");
+        setDisplayCategory(::Debugger::Tr::tr("Analyzer"));
+        setCategoryIconPath(Analyzer::Icons::SETTINGSCATEGORY_ANALYZER);
+        setWidgetCreator([] { return new ValgrindConfigWidget(&globalSettings()); });
+    }
+};
 
-QWidget *ValgrindOptionsPage::createSettingsWidget(ValgrindBaseSettings *settings)
+const ValgrindOptionsPage settingsPage;
+
+
+QWidget *createSettingsWidget(ValgrindBaseSettings *settings)
 {
     return new ValgrindConfigWidget(settings);
 }
 
-} // namespace Internal
-} // namespace Valgrind
+} // Valgrind::Internal

src/plugins/valgrind/valgrindconfigwidget.h

@@ -7,12 +7,6 @@
 
 namespace Valgrind::Internal {
 
-class ValgrindOptionsPage final : public Core::IOptionsPage
-{
-public:
-    ValgrindOptionsPage();
-
-    static QWidget *createSettingsWidget(class ValgrindBaseSettings *settings);
-};
+QWidget *createSettingsWidget(class ValgrindBaseSettings *settings);
 
 } // Valgrind::Internal

src/plugins/valgrind/valgrindplugin.cpp

@@ -7,7 +7,6 @@
 #include "valgrindsettings.h"
 #include "valgrindtr.h"
 
-#include <coreplugin/dialogs/ioptionspage.h>
 #include <coreplugin/icontext.h>
 #include <coreplugin/icore.h>
 
@@ -34,7 +33,7 @@ public:
     ValgrindRunConfigurationAspect(Target *)
     {
         setProjectSettings(new ValgrindProjectSettings);
-        setGlobalSettings(ValgrindGlobalSettings::instance());
+        setGlobalSettings(&globalSettings());
         setId(ANALYZER_VALGRIND_SETTINGS);
         setDisplayName(Tr::tr("Valgrind Settings"));
         setUsingGlobalSettings(true);
@@ -46,10 +45,8 @@ public:
 class ValgrindPluginPrivate
 {
 public:
-    ValgrindGlobalSettings valgrindGlobalSettings; // Needs to come before the tools.
     MemcheckTool memcheckTool;
     CallgrindTool callgrindTool;
-    ValgrindOptionsPage valgrindOptionsPage;
 };
 
 class ValgrindPlugin final : public ExtensionSystem::IPlugin

src/plugins/valgrind/valgrindsettings.cpp

@@ -59,18 +59,16 @@ void SuppressionAspect::addSuppressionFile(const FilePath &suppression)
 
 void SuppressionAspectPrivate::slotAddSuppression()
 {
-    ValgrindGlobalSettings *conf = ValgrindGlobalSettings::instance();
-    QTC_ASSERT(conf, return);
     const FilePaths files =
             FileUtils::getOpenFilePaths(nullptr,
                       Tr::tr("Valgrind Suppression Files"),
-                      conf->lastSuppressionDirectory(),
+                      globalSettings().lastSuppressionDirectory(),
                       Tr::tr("Valgrind Suppression File (*.supp);;All Files (*)"));
     //dialog.setHistory(conf->lastSuppressionDialogHistory());
     if (!files.isEmpty()) {
         for (const FilePath &file : files)
             m_model.appendRow(new QStandardItem(file.toString()));
-        conf->lastSuppressionDirectory.setValue(files.at(0).absolutePath());
+        globalSettings().lastSuppressionDirectory.setValue(files.at(0).absolutePath());
         //conf->setLastSuppressionDialogHistory(dialog.history());
         if (!isGlobal)
             q->apply();
@@ -327,13 +325,15 @@ ValgrindBaseSettings::ValgrindBaseSettings(bool global)
 //
 //////////////////////////////////////////////////////////////////
 
-static ValgrindGlobalSettings *theGlobalSettings = nullptr;
+ValgrindGlobalSettings &globalSettings()
+{
+    static ValgrindGlobalSettings theSettings;
+    return theSettings;
+}
 
 ValgrindGlobalSettings::ValgrindGlobalSettings()
     : ValgrindBaseSettings(true)
 {
-    theGlobalSettings = this;
-
     const QString base = "Analyzer.Valgrind";
 
     lastSuppressionDirectory.setSettingsKey(base + "LastSuppressionDirectory");
@@ -355,17 +355,12 @@ ValgrindGlobalSettings::ValgrindGlobalSettings()
     shortenTemplates.setLabelText("<>"); // FIXME: Create a real icon
     shortenTemplates.setToolTip(Tr::tr("Remove template parameter lists when displaying function names."));
 
-    setConfigWidgetCreator([this] { return ValgrindOptionsPage::createSettingsWidget(this); });
+    setConfigWidgetCreator([this] { return createSettingsWidget(this); });
     readSettings();
 
     setAutoApply(false);
 }
 
-ValgrindGlobalSettings *ValgrindGlobalSettings::instance()
-{
-    return theGlobalSettings;
-}
-
 //
 // Memcheck
 //
@@ -417,7 +412,7 @@ void ValgrindGlobalSettings::writeSettings() const
 ValgrindProjectSettings::ValgrindProjectSettings()
     : ValgrindBaseSettings(false)
 {
-    setConfigWidgetCreator([this] { return ValgrindOptionsPage::createSettingsWidget(this); });
+    setConfigWidgetCreator([this] { return createSettingsWidget(this); });
 
     connect(this, &AspectContainer::fromMapFinished, [this] {
         // FIXME: Update project page e.g. on "Restore Global", aspects

src/plugins/valgrind/valgrindsettings.h

@@ -111,8 +111,6 @@ class ValgrindGlobalSettings : public ValgrindBaseSettings
 public:
     ValgrindGlobalSettings();
 
-    static ValgrindGlobalSettings *instance();
-
     /**
      * Global memcheck settings
      */
@@ -132,6 +130,8 @@ public:
     Utils::BoolAspect shortenTemplates{this};
 };
 
+ValgrindGlobalSettings &globalSettings();
+
 
 /**
  * Per-project valgrind settings.