Core: Move GeneralSettings setup structure closer to new normal

Change-Id: I3ffbe1b28971912510582a174bf37a0e3f9d4ff4
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/coreplugin/generalsettings.cpp

@@ -8,6 +8,7 @@
 #include "themechooser.h"
 
 #include <coreplugin/dialogs/restartdialog.h>
+#include <coreplugin/dialogs/ioptionspage.h>
 
 #include <extensionsystem/pluginmanager.h>
 
@@ -35,18 +36,45 @@
 using namespace Utils;
 using namespace Layouting;
 
-namespace Core {
-namespace Internal {
+namespace Core::Internal {
 
 const char settingsKeyDPI[] = "Core/EnableHighDpiScaling";
-const char settingsKeyShortcutsInContextMenu[] = "General/ShowShortcutsInContextMenu";
 const char settingsKeyCodecForLocale[] = "General/OverrideCodecForLocale";
 const char settingsKeyToolbarStyle[] = "General/ToolbarStyle";
 
+static bool defaultShowShortcutsInContextMenu()
+{
+    return QGuiApplication::styleHints()->showShortcutsInContextMenus();
+}
+
+GeneralSettings &generalSettings()
+{
+    static GeneralSettings theSettings;
+    return theSettings;
+}
+
+GeneralSettings::GeneralSettings()
+{
+    setAutoApply(false);
+
+    showShortcutsInContextMenus.setSettingsKey("General/ShowShortcutsInContextMenu");
+    showShortcutsInContextMenus.setDefaultValue(defaultShowShortcutsInContextMenu());
+    showShortcutsInContextMenus.setLabelText(
+        Tr::tr("Show keyboard shortcuts in context menus (default: %1)")
+            .arg(defaultShowShortcutsInContextMenu() ? Tr::tr("on") : Tr::tr("off")));
+
+    connect(&showShortcutsInContextMenus, &BaseAspect::changed, this, [this] {
+        QCoreApplication::setAttribute(Qt::AA_DontShowShortcutsInContextMenus,
+                                       !showShortcutsInContextMenus());
+    });
+
+    readSettings();
+}
+
 class GeneralSettingsWidget final : public IOptionsPageWidget
 {
 public:
-    explicit GeneralSettingsWidget(GeneralSettings *q);
+    GeneralSettingsWidget();
 
     void apply() final;
 
@@ -63,21 +91,17 @@ public:
     static void setCodecForLocale(const QByteArray&);
     void fillToolbarSyleBox() const;
 
-    GeneralSettings *q;
     QComboBox *m_languageBox;
     QComboBox *m_codecBox;
-    QCheckBox *m_showShortcutsInContextMenus;
     QtColorButton *m_colorButton;
     ThemeChooser *m_themeChooser;
     QPushButton *m_resetWarningsButton;
     QComboBox *m_toolbarStyleBox;
 };
 
-GeneralSettingsWidget::GeneralSettingsWidget(GeneralSettings *q)
-    : q(q)
-    , m_languageBox(new QComboBox)
+GeneralSettingsWidget::GeneralSettingsWidget()
+    : m_languageBox(new QComboBox)
     , m_codecBox(new QComboBox)
-    , m_showShortcutsInContextMenus(new QCheckBox)
     , m_colorButton(new QtColorButton)
     , m_themeChooser(new ThemeChooser)
     , m_resetWarningsButton(new QPushButton)
@@ -123,7 +147,7 @@ GeneralSettingsWidget::GeneralSettingsWidget(GeneralSettings *q)
         });
     }
 
-    form.addRow({empty, m_showShortcutsInContextMenus});
+    form.addRow({empty, generalSettings().showShortcutsInContextMenus});
     form.addRow({Row{m_resetWarningsButton, st}});
     form.addRow({Tr::tr("Text codec for tools:"), m_codecBox, st});
     Column{Group{title(Tr::tr("User Interface")), form}}.attachTo(this);
@@ -135,11 +159,6 @@ GeneralSettingsWidget::GeneralSettingsWidget(GeneralSettings *q)
     m_colorButton->setColor(StyleHelper::requestedBaseColor());
     m_resetWarningsButton->setEnabled(canResetWarnings());
 
-    m_showShortcutsInContextMenus->setText(
-        Tr::tr("Show keyboard shortcuts in context menus (default: %1)")
-            .arg(q->m_defaultShowShortcutsInContextMenu ? Tr::tr("on") : Tr::tr("off")));
-    m_showShortcutsInContextMenus->setChecked(GeneralSettings::showShortcutsInContextMenu());
-
     connect(resetColorButton,
             &QAbstractButton::clicked,
             this,
@@ -191,11 +210,13 @@ void GeneralSettingsWidget::fillLanguageBox() const
 
 void GeneralSettingsWidget::apply()
 {
+    generalSettings().apply();
+    generalSettings().writeSettings();
+
     int currentIndex = m_languageBox->currentIndex();
     setLanguage(m_languageBox->itemData(currentIndex, Qt::UserRole).toString());
     currentIndex = m_codecBox->currentIndex();
     setCodecForLocale(m_codecBox->itemText(currentIndex).toLocal8Bit());
-    q->setShowShortcutsInContextMenu(m_showShortcutsInContextMenus->isChecked());
     // Apply the new base color if accepted
     StyleHelper::setBaseColor(m_colorButton->color());
     m_themeChooser->apply();
@@ -210,14 +231,6 @@ void GeneralSettingsWidget::apply()
     }
 }
 
-bool GeneralSettings::showShortcutsInContextMenu()
-{
-    return ICore::settings()
-        ->value(settingsKeyShortcutsInContextMenu,
-                QGuiApplication::styleHints()->showShortcutsInContextMenus())
-        .toBool();
-}
-
 void GeneralSettingsWidget::resetInterfaceColor()
 {
     m_colorButton->setColor(StyleHelper::DEFAULT_BASE_COLOR);
@@ -305,31 +318,27 @@ void GeneralSettingsWidget::fillToolbarSyleBox() const
     m_toolbarStyleBox->setCurrentIndex(curId);
 }
 
-void GeneralSettings::setShowShortcutsInContextMenu(bool show)
-{
-    ICore::settings()->setValueWithDefault(settingsKeyShortcutsInContextMenu,
-                                           show,
-                                           m_defaultShowShortcutsInContextMenu);
-    QCoreApplication::setAttribute(Qt::AA_DontShowShortcutsInContextMenus, !show);
-}
-
 void GeneralSettings::applyToolbarStyleFromSettings()
 {
     StyleHelper::setToolbarStyle(toolbarStylefromSettings());
 }
 
-GeneralSettings::GeneralSettings()
+// GeneralSettingsPage
+
+class GeneralSettingsPage final : public IOptionsPage
 {
+public:
+    GeneralSettingsPage()
+    {
         setId(Constants::SETTINGS_ID_INTERFACE);
         setDisplayName(Tr::tr("Interface"));
         setCategory(Constants::SETTINGS_CATEGORY_CORE);
         setDisplayCategory(Tr::tr("Environment"));
         setCategoryIconPath(":/core/images/settingscategory_core.png");
-    setWidgetCreator([this] { return new GeneralSettingsWidget(this); });
+        setWidgetCreator([] { return new GeneralSettingsWidget; });
+    }
+};
 
-    m_defaultShowShortcutsInContextMenu = QGuiApplication::styleHints()
-                                              ->showShortcutsInContextMenus();
-}
+const GeneralSettingsPage settingsPage;
 
-} // namespace Internal
-} // namespace Core
+} // Core::Internal

src/plugins/coreplugin/generalsettings.h

@@ -3,25 +3,20 @@
 
 #pragma once
 
-#include <coreplugin/dialogs/ioptionspage.h>
+#include <utils/aspects.h>
 
-namespace Core {
-namespace Internal {
+namespace Core::Internal {
 
-class GeneralSettings : public IOptionsPage
+class GeneralSettings : public Utils::AspectContainer
 {
 public:
     GeneralSettings();
 
-    static bool showShortcutsInContextMenu();
-    void setShowShortcutsInContextMenu(bool show);
+    Utils::BoolAspect showShortcutsInContextMenus{this};
 
     static void applyToolbarStyleFromSettings();
-
-private:
-    friend class GeneralSettingsWidget;
-    bool m_defaultShowShortcutsInContextMenu;
 };
 
-} // namespace Internal
-} // namespace Core
+GeneralSettings &generalSettings();
+
+} // Core::Internal

src/plugins/coreplugin/mainwindow.cpp

@@ -22,7 +22,6 @@
 #include "fileutils.h"
 #include "find/basetextfind.h"
 #include "findplaceholder.h"
-#include "generalsettings.h"
 #include "helpmanager.h"
 #include "icore.h"
 #include "idocumentfactory.h"
@@ -130,7 +129,6 @@ MainWindow::MainWindow()
     , m_jsExpander(JsExpander::createGlobalJsExpander())
     , m_vcsManager(new VcsManager)
     , m_modeStack(new FancyTabWidget(this))
-    , m_generalSettings(new GeneralSettings)
     , m_systemSettings(new SystemSettings)
     , m_shortcutSettings(new ShortcutSettings)
     , m_toolSettings(new ToolSettings)
@@ -165,8 +163,6 @@ MainWindow::MainWindow()
     }
 
     QApplication::setStyle(new ManhattanStyle(baseName));
-    m_generalSettings->setShowShortcutsInContextMenu(
-        GeneralSettings::showShortcutsInContextMenu());
 
     setDockNestingEnabled(true);
 
@@ -279,8 +275,6 @@ MainWindow::~MainWindow()
     m_messageManager = nullptr;
     delete m_shortcutSettings;
     m_shortcutSettings = nullptr;
-    delete m_generalSettings;
-    m_generalSettings = nullptr;
     delete m_systemSettings;
     m_systemSettings = nullptr;
     delete m_toolSettings;

src/plugins/coreplugin/mainwindow.h

@@ -160,7 +160,6 @@ private:
 
     std::unordered_map<QWidget *, IContext *> m_contextWidgets;
 
-    GeneralSettings *m_generalSettings = nullptr;
     SystemSettings *m_systemSettings = nullptr;
     ShortcutSettings *m_shortcutSettings = nullptr;
     ToolSettings *m_toolSettings = nullptr;