QtSupport: use new settings page convenience for CodeGenSettings

Change-Id: I0e3bf34dd709af33136b0f95dc3dcaecf36eb3bc
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/qtsupport/codegensettingspage.cpp

@@ -27,11 +27,10 @@
 
 #include "qtsupportconstants.h"
 
+#include <coreplugin/icore.h>
 #include <cpptools/cpptoolsconstants.h>
 
 #include <QCoreApplication>
-#include <QTextStream>
-#include <coreplugin/icore.h>
 
 namespace QtSupport {
 namespace Internal {
@@ -41,26 +40,27 @@ namespace Internal {
 CodeGenSettingsPageWidget::CodeGenSettingsPageWidget()
 {
     m_ui.setupUi(this);
+
+    CodeGenSettings parameters;
+    parameters.fromSettings(Core::ICore::settings());
+
+    m_ui.retranslateCheckBox->setChecked(parameters.retranslationSupport);
+    m_ui.includeQtModuleCheckBox->setChecked(parameters.includeQtModule);
+    m_ui.addQtVersionCheckBox->setChecked(parameters.addQtVersionCheck);
+    setUiEmbedding(parameters.embedding);
+
     connect(m_ui.includeQtModuleCheckBox, &QAbstractButton::toggled,
             m_ui.addQtVersionCheckBox, &QWidget::setEnabled);
 }
 
-CodeGenSettings CodeGenSettingsPageWidget::parameters() const
+void CodeGenSettingsPageWidget::apply()
 {
     CodeGenSettings rc;
     rc.embedding = static_cast<CodeGenSettings::UiClassEmbedding>(uiEmbedding());
-    rc.retranslationSupport =m_ui.retranslateCheckBox->isChecked();
+    rc.retranslationSupport = m_ui.retranslateCheckBox->isChecked();
     rc.includeQtModule = m_ui.includeQtModuleCheckBox->isChecked();
     rc.addQtVersionCheck = m_ui.addQtVersionCheckBox->isChecked();
-    return rc;
+    rc.toSettings(Core::ICore::settings());
-}
-
-void CodeGenSettingsPageWidget::setParameters(const CodeGenSettings &p)
-{
-    m_ui.retranslateCheckBox->setChecked(p.retranslationSupport);
-    m_ui.includeQtModuleCheckBox->setChecked(p.includeQtModule);
-    m_ui.addQtVersionCheckBox->setChecked(p.addQtVersionCheck);
-    setUiEmbedding(p.embedding);
 }
 
 int CodeGenSettingsPageWidget::uiEmbedding() const
@@ -88,9 +88,9 @@ void CodeGenSettingsPageWidget::setUiEmbedding(int v)
 }
 
 // ---------- CodeGenSettingsPage
+
 CodeGenSettingsPage::CodeGenSettingsPage()
 {
-    m_parameters.fromSettings(Core::ICore::settings());
     setId(Constants::CODEGEN_SETTINGS_PAGE_ID);
     setDisplayName(QCoreApplication::translate("QtSupport", "Qt Class Generation"));
     setCategory(CppTools::Constants::CPP_SETTINGS_CATEGORY);
@@ -99,31 +99,7 @@ CodeGenSettingsPage::CodeGenSettingsPage()
     setCategoryIcon(Utils::Icon({{":/projectexplorer/images/settingscategory_cpp.png",
                                   Utils::Theme::PanelTextColorDark}},
                                 Utils::Icon::Tint));
-}
+    setWidgetCreator([] { return new CodeGenSettingsPageWidget; });
-
-QWidget *CodeGenSettingsPage::widget()
-{
-    if (!m_widget) {
-        m_widget = new CodeGenSettingsPageWidget;
-        m_widget->setParameters(m_parameters);
-    }
-    return m_widget;
-}
-
-void CodeGenSettingsPage::apply()
-{
-    if (m_widget) {
-        const CodeGenSettings newParameters = m_widget->parameters();
-        if (newParameters != m_parameters) {
-            m_parameters = newParameters;
-            m_parameters.toSettings(Core::ICore::settings());
-        }
-    }
-}
-
-void CodeGenSettingsPage::finish()
-{
-    delete m_widget;
 }
 
 } // namespace Internal

src/plugins/qtsupport/codegensettingspage.h

@@ -31,21 +31,20 @@
 
 #include <coreplugin/dialogs/ioptionspage.h>
 
-#include <QPointer>
-
 namespace QtSupport {
 namespace Internal {
 
-class CodeGenSettingsPageWidget : public QWidget
+class CodeGenSettingsPageWidget : public Core::IOptionsPageWidget
 {
     Q_OBJECT
+
 public:
     CodeGenSettingsPageWidget();
 
-    CodeGenSettings parameters() const;
-    void setParameters(const CodeGenSettings &p);
-
 private:
+    void apply() final;
+    void finish() final {}
+
     int uiEmbedding() const;
     void setUiEmbedding(int);
 
@@ -56,14 +55,6 @@ class CodeGenSettingsPage : public Core::IOptionsPage
 {
 public:
     CodeGenSettingsPage();
-
-    QWidget *widget() override;
-    void apply() override;
-    void finish() override;
-
-private:
-    QPointer<CodeGenSettingsPageWidget> m_widget;
-    CodeGenSettings m_parameters;
 };
 
 } // namespace Internal