TextEditor: Partially apply new settings page pattern

Internal handling is quite fragile in some cases, so take baby steps
here.

Change-Id: Ia25666b8c8d26b6e580d2189b191767b9681dc21
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/texteditor/highlightersettingspage.cpp

@@ -39,13 +39,14 @@ using namespace Internal;
 
 struct HighlighterSettingsPage::HighlighterSettingsPagePrivate
 {
-    explicit HighlighterSettingsPagePrivate(Core::Id id);
+    Q_DECLARE_TR_FUNCTIONS(TextEditor::Internal::HighlighterSettingsPage)
+
+public:
+    HighlighterSettingsPagePrivate();
     void ensureInitialized();
     void migrateGenericHighlighterFiles();
 
     bool m_initialized = false;
-    const Core::Id m_id;
-    const QString m_displayName;
     const QString m_settingsPrefix;
 
     HighlighterSettings m_settings;
@@ -54,11 +55,8 @@ struct HighlighterSettingsPage::HighlighterSettingsPagePrivate
     Ui::HighlighterSettingsPage *m_page = nullptr;
 };
 
-HighlighterSettingsPage::HighlighterSettingsPagePrivate::
-HighlighterSettingsPagePrivate(Core::Id id)
-    : m_id(id)
-    , m_displayName(tr("Generic Highlighter"))
-    , m_settingsPrefix("Text")
+HighlighterSettingsPage::HighlighterSettingsPagePrivate::HighlighterSettingsPagePrivate()
+    : m_settingsPrefix("Text")
 {}
 
 void HighlighterSettingsPage::HighlighterSettingsPagePrivate::migrateGenericHighlighterFiles()
@@ -83,12 +81,11 @@ void HighlighterSettingsPage::HighlighterSettingsPagePrivate::ensureInitialized(
     migrateGenericHighlighterFiles();
 }
 
-HighlighterSettingsPage::HighlighterSettingsPage(Core::Id id, QObject *parent) :
-    Core::IOptionsPage(parent),
-    m_d(new HighlighterSettingsPagePrivate(id))
+HighlighterSettingsPage::HighlighterSettingsPage()
+    : m_d(new HighlighterSettingsPagePrivate)
 {
-    setId(m_d->m_id);
-    setDisplayName(m_d->m_displayName);
+    setId(Constants::TEXT_EDITOR_HIGHLIGHTER_SETTINGS);
+    setDisplayName(HighlighterSettingsPagePrivate::tr("Generic Highlighter"));
     setCategory(TextEditor::Constants::TEXT_EDITOR_SETTINGS_CATEGORY);
     setDisplayCategory(QCoreApplication::translate("TextEditor", "Text Editor"));
     setCategoryIconPath(TextEditor::Constants::TEXT_EDITOR_SETTINGS_CATEGORY_ICON_PATH);
@@ -112,7 +109,7 @@ QWidget *HighlighterSettingsPage::widget()
                 [label = QPointer<QLabel>(m_d->m_page->updateStatus)]() {
                     Highlighter::downloadDefinitions([label](){
                         if (label)
-                            label->setText(tr("Download finished"));
+                            label->setText(HighlighterSettingsPagePrivate::tr("Download finished"));
                     });
                 });
         connect(m_d->m_page->reloadDefinitions, &QPushButton::pressed, []() {

src/plugins/texteditor/highlightersettingspage.h

@@ -31,12 +31,10 @@ namespace TextEditor {
 
 class HighlighterSettings;
 
-class HighlighterSettingsPage : public Core::IOptionsPage
+class HighlighterSettingsPage final : public Core::IOptionsPage
 {
-    Q_OBJECT
-
 public:
-    HighlighterSettingsPage(Core::Id id, QObject *parent);
+    HighlighterSettingsPage();
     ~HighlighterSettingsPage() override;
 
     QWidget *widget() override;

src/plugins/texteditor/snippets/snippetssettingspage.cpp

@@ -264,13 +264,12 @@ bool SnippetsTableModel::isValidTrigger(const QString &s)
 // SnippetsSettingsPagePrivate
 class SnippetsSettingsPagePrivate : public QObject
 {
-    Q_OBJECT
+    Q_DECLARE_TR_FUNCTIONS(TextEditor::Internal::SnippetsSettingsPage)
+
 public:
-    SnippetsSettingsPagePrivate(Core::Id id);
+    SnippetsSettingsPagePrivate();
     ~SnippetsSettingsPagePrivate() override { delete m_model; }
 
-    Core::Id id() const { return m_id; }
-    const QString &displayName() const { return m_displayName; }
     void configureUi(QWidget *parent);
 
     void apply();
@@ -299,8 +298,6 @@ private:
     bool settingsChanged() const;
     void writeSettings();
 
-    const Core::Id m_id;
-    const QString m_displayName;
     const QString m_settingsPrefix;
     SnippetsTableModel *m_model;
     bool m_snippetsCollectionChanged;
@@ -308,9 +305,7 @@ private:
     Ui::SnippetsSettingsPage m_ui;
 };
 
-SnippetsSettingsPagePrivate::SnippetsSettingsPagePrivate(Core::Id id) :
-    m_id(id),
-    m_displayName(tr("Snippets")),
+SnippetsSettingsPagePrivate::SnippetsSettingsPagePrivate() :
     m_settingsPrefix(QLatin1String("Text")),
     m_model(new SnippetsTableModel(nullptr)),
     m_snippetsCollectionChanged(false)
@@ -548,12 +543,11 @@ void SnippetsSettingsPagePrivate::decorateEditors(const TextEditor::FontSettings
 }
 
 // SnippetsSettingsPage
-SnippetsSettingsPage::SnippetsSettingsPage(Core::Id id, QObject *parent) :
-    Core::IOptionsPage(parent),
-    d(new SnippetsSettingsPagePrivate(id))
+SnippetsSettingsPage::SnippetsSettingsPage()
+    : d(new SnippetsSettingsPagePrivate)
 {
-    setId(d->id());
-    setDisplayName(d->displayName());
+    setId(Constants::TEXT_EDITOR_SNIPPETS_SETTINGS);
+    setDisplayName(SnippetsSettingsPagePrivate::tr("Snippets"));
     setCategory(TextEditor::Constants::TEXT_EDITOR_SETTINGS_CATEGORY);
     setDisplayCategory(QCoreApplication::translate("TextEditor", "Text Editor"));
     setCategoryIconPath(TextEditor::Constants::TEXT_EDITOR_SETTINGS_CATEGORY_ICON_PATH);

src/plugins/texteditor/snippets/snippetssettingspage.h

@@ -32,12 +32,10 @@ namespace Internal {
 
 class SnippetsSettingsPagePrivate;
 
-class SnippetsSettingsPage : public Core::IOptionsPage
+class SnippetsSettingsPage final : public Core::IOptionsPage
 {
-    Q_OBJECT
-
 public:
-    SnippetsSettingsPage(Core::Id id, QObject *parent);
+    SnippetsSettingsPage();
     ~SnippetsSettingsPage() override;
 
     QWidget *widget() override;

src/plugins/texteditor/texteditorsettings.cpp

@@ -66,8 +66,8 @@ public:
     FontSettingsPage *m_fontSettingsPage;
     BehaviorSettingsPage *m_behaviorSettingsPage;
     DisplaySettingsPage *m_displaySettingsPage;
-    HighlighterSettingsPage *m_highlighterSettingsPage;
-    SnippetsSettingsPage *m_snippetsSettingsPage;
+    HighlighterSettingsPage m_highlighterSettingsPage;
+    SnippetsSettingsPage m_snippetsSettingsPage;
     CompletionSettingsPage m_completionSettingsPage;
 
     QMap<Core::Id, ICodeStylePreferencesFactory *> m_languageToFactory;
@@ -363,11 +363,6 @@ TextEditorSettings::TextEditorSettings()
     displaySettingsPageParameters.settingsPrefix = QLatin1String("text");
     d->m_displaySettingsPage = new DisplaySettingsPage(displaySettingsPageParameters, this);
 
-    d->m_highlighterSettingsPage =
-        new HighlighterSettingsPage(Constants::TEXT_EDITOR_HIGHLIGHTER_SETTINGS, this);
-    d->m_snippetsSettingsPage =
-        new SnippetsSettingsPage(Constants::TEXT_EDITOR_SNIPPETS_SETTINGS, this);
-
     auto updateGeneralMessagesFontSettings = []() {
         Core::MessageManager::setFont(d->m_fontSettingsPage->fontSettings().font());
     };
@@ -453,7 +448,7 @@ const CompletionSettings &TextEditorSettings::completionSettings()
 
 const HighlighterSettings &TextEditorSettings::highlighterSettings()
 {
-    return d->m_highlighterSettingsPage->highlighterSettings();
+    return d->m_highlighterSettingsPage.highlighterSettings();
 }
 
 const ExtraEncodingSettings &TextEditorSettings::extraEncodingSettings()