TextEditorPlugin: Pimpl and remove uses of global object pool

Change-Id: I17eb0e928788f02f6089fd2a2ed2393d7f577d11
Reviewed-by: David Schulz <david.schulz@qt.io>

src/plugins/texteditor/texteditorplugin.cpp

@@ -66,7 +66,27 @@ static const char kCurrentDocumentRowCount[] = "CurrentDocument:RowCount";
 static const char kCurrentDocumentColumnCount[] = "CurrentDocument:ColumnCount";
 static const char kCurrentDocumentFontSize[] = "CurrentDocument:FontSize";
 
-static TextEditorPlugin *m_instance = 0;
+class TextEditorPluginPrivate : public QObject
+{
+public:
+    void extensionsInitialized();
+    void updateSearchResultsFont(const TextEditor::FontSettings &);
+    void updateSearchResultsTabWidth(const TextEditor::TabSettings &tabSettings);
+    void updateCurrentSelection(const QString &text);
+
+    TextEditorSettings settings;
+    LineNumberFilter lineNumberFilter; // Goto line functionality for quick open
+    OutlineFactory outlineFactory;
+
+    FindInFiles findInFilesFilter;
+    FindInCurrentFile findInCurrentFileFilter;
+    FindInOpenFiles findInOpenFilesFilter;
+
+    PlainTextEditorFactory plainTextEditorFactory;
+};
+
+static TextEditorPlugin *m_instance = nullptr;
+static TextEditorPluginPrivate *dd = nullptr;
 
 TextEditorPlugin::TextEditorPlugin()
 {
@@ -76,7 +96,9 @@ TextEditorPlugin::TextEditorPlugin()
 
 TextEditorPlugin::~TextEditorPlugin()
 {
-    m_instance = 0;
+    delete dd;
+    dd = nullptr;
+    m_instance = nullptr;
 }
 
 TextEditorPlugin *TextEditorPlugin::instance()
@@ -90,14 +112,7 @@ bool TextEditorPlugin::initialize(const QStringList &arguments, QString *errorMe
     Q_UNUSED(arguments)
     Q_UNUSED(errorMessage)
 
-    m_settings = new TextEditorSettings(this);
-
-    // Add plain text editor factory
-    addAutoReleasedObject(new PlainTextEditorFactory);
-
-    // Goto line functionality for quick open
-    m_lineNumberFilter = new LineNumberFilter;
-    addAutoReleasedObject(m_lineNumberFilter);
+    dd = new TextEditorPluginPrivate;
 
     Context context(TextEditor::Constants::C_TEXTEDITOR);
 
@@ -135,27 +150,28 @@ bool TextEditorPlugin::initialize(const QStringList &arguments, QString *errorMe
     SnippetProvider::registerGroup(Constants::TEXT_SNIPPET_GROUP_ID,
                                     tr("Text", "SnippetProvider"));
 
-    m_outlineFactory = new OutlineFactory;
-    addAutoReleasedObject(m_outlineFactory);
-
-    addAutoReleasedObject(new FindInFiles);
-    addAutoReleasedObject(new FindInCurrentFile);
-    addAutoReleasedObject(new FindInOpenFiles);
-
     return true;
 }
 
+void TextEditorPluginPrivate::extensionsInitialized()
+{
+    connect(&settings, &TextEditorSettings::fontSettingsChanged,
+            this, &TextEditorPluginPrivate::updateSearchResultsFont);
+
+    updateSearchResultsFont(settings.fontSettings());
+
+    connect(settings.codeStyle(), &ICodeStylePreferences::currentTabSettingsChanged,
+            this, &TextEditorPluginPrivate::updateSearchResultsTabWidth);
+
+    updateSearchResultsTabWidth(settings.codeStyle()->currentTabSettings());
+
+    connect(ExternalToolManager::instance(), &ExternalToolManager::replaceSelectionRequested,
+            this, &TextEditorPluginPrivate::updateCurrentSelection);
+}
+
 void TextEditorPlugin::extensionsInitialized()
 {
-    connect(m_settings, &TextEditorSettings::fontSettingsChanged,
-            this, &TextEditorPlugin::updateSearchResultsFont);
-
-    updateSearchResultsFont(m_settings->fontSettings());
-
-    connect(m_settings->codeStyle(), &ICodeStylePreferences::currentTabSettingsChanged,
-            this, &TextEditorPlugin::updateSearchResultsTabWidth);
-
-    updateSearchResultsTabWidth(m_settings->codeStyle()->currentTabSettings());
+    dd->extensionsInitialized();
 
     Utils::MacroExpander *expander = Utils::globalMacroExpander();
 
@@ -204,18 +220,14 @@ void TextEditorPlugin::extensionsInitialized()
             BaseTextEditor *editor = BaseTextEditor::currentTextEditor();
             return editor ? editor->widget()->font().pointSize() : 0;
         });
-
-
-    connect(ExternalToolManager::instance(), &ExternalToolManager::replaceSelectionRequested,
-            this, &TextEditorPlugin::updateCurrentSelection);
 }
 
 LineNumberFilter *TextEditorPlugin::lineNumberFilter()
 {
-    return m_instance->m_lineNumberFilter;
+    return &dd->lineNumberFilter;
 }
 
-void TextEditorPlugin::updateSearchResultsFont(const FontSettings &settings)
+void TextEditorPluginPrivate::updateSearchResultsFont(const FontSettings &settings)
 {
     if (auto window = SearchResultWindow::instance()) {
         window->setTextEditorFont(QFont(settings.family(), settings.fontSize() * settings.fontZoom() / 100),
@@ -226,13 +238,13 @@ void TextEditorPlugin::updateSearchResultsFont(const FontSettings &settings)
     }
 }
 
-void TextEditorPlugin::updateSearchResultsTabWidth(const TabSettings &tabSettings)
+void TextEditorPluginPrivate::updateSearchResultsTabWidth(const TabSettings &tabSettings)
 {
     if (auto window = SearchResultWindow::instance())
         window->setTabWidth(tabSettings.m_tabSize);
 }
 
-void TextEditorPlugin::updateCurrentSelection(const QString &text)
+void TextEditorPluginPrivate::updateCurrentSelection(const QString &text)
 {
     if (BaseTextEditor *editor = BaseTextEditor::currentTextEditor()) {
         const int pos = editor->position();

src/plugins/texteditor/texteditorplugin.h

@@ -28,15 +28,9 @@
 #include <extensionsystem/iplugin.h>
 
 namespace TextEditor {
-
-class FontSettings;
-class TabSettings;
-class TextEditorSettings;
-
 namespace Internal {
 
 class LineNumberFilter;
-class OutlineFactory;
 
 class TextEditorPlugin : public ExtensionSystem::IPlugin
 {
@@ -45,24 +39,14 @@ class TextEditorPlugin : public ExtensionSystem::IPlugin
 
 public:
     TextEditorPlugin();
-    virtual ~TextEditorPlugin();
+    ~TextEditorPlugin() final;
 
     static TextEditorPlugin *instance();
-
-    // ExtensionSystem::IPlugin
-    bool initialize(const QStringList &arguments, QString *errorMessage);
-    void extensionsInitialized();
-
     static LineNumberFilter *lineNumberFilter();
 
 private:
-    void updateSearchResultsFont(const TextEditor::FontSettings &);
-    void updateSearchResultsTabWidth(const TextEditor::TabSettings &tabSettings);
-    void updateCurrentSelection(const QString &text);
-
-    TextEditorSettings *m_settings = nullptr;
-    LineNumberFilter *m_lineNumberFilter = nullptr;
-    OutlineFactory *m_outlineFactory = nullptr;
+    bool initialize(const QStringList &arguments, QString *errorMessage) final;
+    void extensionsInitialized() final;
 
 #ifdef WITH_TESTS
 private slots:
@@ -81,7 +65,6 @@ private slots:
     void testIndentationClean_data();
     void testIndentationClean();
 #endif
-
 };
 
 } // namespace Internal

src/plugins/texteditor/texteditorsettings.cpp

@@ -81,8 +81,7 @@ public:
 static TextEditorSettingsPrivate *d = 0;
 static TextEditorSettings *m_instance = 0;
 
-TextEditorSettings::TextEditorSettings(QObject *parent)
-    : QObject(parent)
+TextEditorSettings::TextEditorSettings()
 {
     QTC_ASSERT(!m_instance, return);
     m_instance = this;

src/plugins/texteditor/texteditorsettings.h

@@ -62,7 +62,7 @@ class TEXTEDITOR_EXPORT TextEditorSettings : public QObject
     Q_OBJECT
 
 public:
-    explicit TextEditorSettings(QObject *parent);
+    TextEditorSettings();
     ~TextEditorSettings();
 
     static TextEditorSettings *instance();