Gui: modernize C++: use equals default

src/Gui/PreferencePages/DlgSettings3DViewImp.cpp

@@ -56,10 +56,7 @@ DlgSettings3DViewImp::DlgSettings3DViewImp(QWidget* parent)
 /**
  *  Destroys the object and frees any allocated resources
  */
-DlgSettings3DViewImp::~DlgSettings3DViewImp()
-{
-    // no need to delete child widgets, Qt does it all for us
-}
+DlgSettings3DViewImp::~DlgSettings3DViewImp() = default;
 
 void DlgSettings3DViewImp::saveSettings()
 {

src/Gui/PreferencePages/DlgSettingsCacheDirectory.cpp

@@ -74,9 +74,7 @@ DlgSettingsCacheDirectory::DlgSettingsCacheDirectory(QWidget* parent)
     connect(ui->openButton, &QPushButton::clicked, this, &DlgSettingsCacheDirectory::openDirectory);
 }
 
-DlgSettingsCacheDirectory::~DlgSettingsCacheDirectory()
-{
-}
+DlgSettingsCacheDirectory::~DlgSettingsCacheDirectory() = default;
 
 void DlgSettingsCacheDirectory::saveSettings()
 {

src/Gui/PreferencePages/DlgSettingsDocumentImp.cpp

@@ -64,11 +64,7 @@ DlgSettingsDocumentImp::DlgSettingsDocumentImp( QWidget* parent )
 /**
  *  Destroys the object and frees any allocated resources
  */
-DlgSettingsDocumentImp::~DlgSettingsDocumentImp()
-{
-    // no need to delete child widgets, Qt does it all for us
-}
-
+DlgSettingsDocumentImp::~DlgSettingsDocumentImp() = default;
 
 void DlgSettingsDocumentImp::saveSettings()
 {

src/Gui/PreferencePages/DlgSettingsGeneral.cpp

@@ -111,9 +111,7 @@ DlgSettingsGeneral::DlgSettingsGeneral( QWidget* parent )
 /**
  *  Destroys the object and frees any allocated resources
  */
-DlgSettingsGeneral::~DlgSettingsGeneral()
-{
-}
+DlgSettingsGeneral::~DlgSettingsGeneral() = default;
 
 /** Sets the size of the recent file list from the user parameters.
  * @see RecentFilesAction

src/Gui/PreferencePages/DlgSettingsMacroImp.cpp

@@ -56,10 +56,8 @@ DlgSettingsMacroImp::DlgSettingsMacroImp( QWidget* parent )
 /**
  *  Destroys the object and frees any allocated resources
  */
-DlgSettingsMacroImp::~DlgSettingsMacroImp()
-{
-    // no need to delete child widgets, Qt does it all for us
-}
+DlgSettingsMacroImp::~DlgSettingsMacroImp() = default;
+
 /** Sets the size of the recent macros list from the user parameters.
  * @see RecentMacrosAction
  * @see StdCmdRecentMacros

src/Gui/PreferencePages/DlgSettingsNavigation.cpp

@@ -64,9 +64,7 @@ DlgSettingsNavigation::DlgSettingsNavigation(QWidget* parent)
 /**
  *  Destroys the object and frees any allocated resources
  */
-DlgSettingsNavigation::~DlgSettingsNavigation()
-{
-}
+DlgSettingsNavigation::~DlgSettingsNavigation() = default;
 
 void DlgSettingsNavigation::saveSettings()
 {
@@ -342,9 +340,7 @@ CameraDialog::CameraDialog(QWidget* parent)
             &CameraDialog::onCurrentViewClicked);
 }
 
-CameraDialog::~CameraDialog()
-{
-}
+CameraDialog::~CameraDialog() = default;
 
 void CameraDialog::setValues(double q0, double q1, double q2, double q3)
 {

src/Gui/PreferencePages/DlgSettingsNotificationArea.cpp

@@ -51,8 +51,7 @@ DlgSettingsNotificationArea::DlgSettingsNotificationArea(QWidget* parent)
     });
 }
 
-DlgSettingsNotificationArea::~DlgSettingsNotificationArea()
-{}
+DlgSettingsNotificationArea::~DlgSettingsNotificationArea() = default;
 
 void DlgSettingsNotificationArea::saveSettings()
 {

src/Gui/PreferencePages/DlgSettingsPythonConsole.cpp

@@ -37,9 +37,7 @@ DlgSettingsPythonConsole::DlgSettingsPythonConsole(QWidget* parent)
     ui->setupUi(this);
 }
 
-DlgSettingsPythonConsole::~DlgSettingsPythonConsole()
-{
-}
+DlgSettingsPythonConsole::~DlgSettingsPythonConsole() = default;
 
 void DlgSettingsPythonConsole::saveSettings()
 {

src/Gui/PreferencePages/DlgSettingsReportView.cpp

@@ -48,9 +48,7 @@ DlgSettingsReportView::DlgSettingsReportView( QWidget* parent )
 /**
  *  Destroys the object and frees any allocated resources
  */
-DlgSettingsReportView::~DlgSettingsReportView()
-{
-}
+DlgSettingsReportView::~DlgSettingsReportView() = default;
 
 void DlgSettingsReportView::saveSettings()
 {

src/Gui/PreferencePages/DlgSettingsSelection.cpp

@@ -39,9 +39,7 @@ DlgSettingsSelection::DlgSettingsSelection(QWidget* parent)
     ui->setupUi(this);
 }
 
-DlgSettingsSelection::~DlgSettingsSelection()
-{
-}
+DlgSettingsSelection::~DlgSettingsSelection() = default;
 
 void DlgSettingsSelection::saveSettings()
 {

src/Gui/PreferencePages/DlgSettingsTheme.cpp

@@ -55,10 +55,7 @@ DlgSettingsTheme::DlgSettingsTheme(QWidget* parent)
 /**
  *  Destroys the object and frees any allocated resources
  */
-DlgSettingsTheme::~DlgSettingsTheme()
-{
-    // no need to delete child widgets, Qt does it all for us
-}
+DlgSettingsTheme::~DlgSettingsTheme() = default;
 
 void DlgSettingsTheme::saveSettings()
 {

src/Gui/PreferencePages/DlgSettingsViewColor.cpp

@@ -61,10 +61,7 @@ DlgSettingsViewColor::DlgSettingsViewColor(QWidget* parent)
 /**
  *  Destroys the object and frees any allocated resources
  */
-DlgSettingsViewColor::~DlgSettingsViewColor()
-{
-    // no need to delete child widgets, Qt does it all for us
-}
+DlgSettingsViewColor::~DlgSettingsViewColor() = default;
 
 void DlgSettingsViewColor::saveSettings()
 {

src/Gui/PreferencePages/DlgSettingsWorkbenchesImp.cpp

@@ -163,9 +163,7 @@ wbListItem::wbListItem(const QString& wbName, bool enabled, bool startupWb, bool
     layout->setContentsMargins(10, 0, 0, 0);
 }
 
-wbListItem::~wbListItem()
-{
-}
+wbListItem::~wbListItem() = default;
 
 bool wbListItem::isEnabled()
 {
@@ -245,10 +243,7 @@ DlgSettingsWorkbenchesImp::DlgSettingsWorkbenchesImp( QWidget* parent )
 /**
  *  Destroys the object and frees any allocated resources
  */
-DlgSettingsWorkbenchesImp::~DlgSettingsWorkbenchesImp()
-{
-}
-
+DlgSettingsWorkbenchesImp::~DlgSettingsWorkbenchesImp() = default;
 
 void DlgSettingsWorkbenchesImp::saveSettings()
 {